Bangladesh floods kill at least 44 and strand over one million as monsoon crisis spreads

At least 44 people have died after days of torrential monsoon rain triggered widespread flooding and landslides across Bangladesh, authorities reported on July 11, 2026.

More than one million people have been left stranded, with 267,918 households affected across Chattogram, Cox’s Bazar, Bandarban, Rangamati, Khagrachhari, Moulvibazar and Habiganj districts. Floodwater has entered homes, damaged roads and bridges, interrupted electricity supplies and isolated communities from markets, hospitals and emergency assistance.

The Bangladesh Army and Bangladesh Navy have deployed personnel and boats to carry food, drinking water, medicines and other essential supplies into areas that cannot be reached by road. Thousands of families have been surviving on flattened rice, puffed rice, biscuits and other food that does not require cooking because kitchens, fuel supplies and electrical equipment remain submerged or damaged.

The crisis has been especially deadly in Cox’s Bazar, where landslides in Rohingya refugee camps have killed at least 16 refugees during the latest period of rain. Women and children were among those killed when mud and debris struck shelters and a school situated beneath unstable slopes.

Which seven Bangladesh districts have been most severely affected by the July floods?

The disaster has spread across seven districts with different terrain, population patterns and emergency-response challenges.

Chattogram, Bangladesh’s principal port region, has experienced extensive urban and rural flooding. Water has entered homes and businesses, while damaged roads and bridges have slowed the movement of rescue teams and relief vehicles.

Cox’s Bazar faces a combined flood and landslide emergency. The district contains coastal communities, tourism centres and the world’s largest Rohingya refugee settlement, where more than one million displaced people live in densely populated camps.

Bandarban, Rangamati and Khagrachhari form part of the Chittagong Hill Tracts. Their steep slopes, narrow roads and isolated settlements make them particularly vulnerable to landslides, road collapses and prolonged interruptions to essential services.

Moulvibazar and Habiganj, located in northeastern Bangladesh, have also experienced flooding that has disrupted homes, transport and livelihoods. Low-lying settlements in these districts can remain inundated even after the most intense rainfall moves away because rivers and wetlands take time to drain.

The geographical spread means Bangladesh is not responding to one concentrated disaster zone. Emergency agencies must simultaneously reach coastal communities, mountain settlements, refugee camps, urban neighbourhoods and rural areas separated by damaged infrastructure.

Relief requirements also vary by district. Some communities urgently need boats and evacuation assistance, while others require food, safe water, electricity restoration, temporary shelter and repairs to roads or bridges.

Why have more than one million people become stranded across southeastern Bangladesh?

The number of stranded residents reflects the scale of physical isolation rather than only the depth of floodwater inside individual homes.

Roads have been washed out or submerged, while damaged bridges have interrupted routes connecting villages with district centres. In hilly areas, landslides can block the only road serving several communities, leaving residents unable to travel even when their homes remain standing.

Electricity failures have created additional hardship. Families have spent nights without lighting, phone charging or access to powered water pumps. Communication outages can also prevent isolated residents from reporting emergencies or receiving updated evacuation instructions.

Many people have been unable to cook because water and mud entered kitchens or because fuel and dry firewood are unavailable. Families have therefore become dependent on relief food that can be eaten without preparation.

Flooded markets and interrupted transport have reduced the local availability of food, medicines and household supplies. Even families with money may be unable to purchase essentials when shops are closed, stocks have been damaged or delivery vehicles cannot reach the area.

Children, older people, pregnant women and residents with disabilities face additional difficulties when evacuation requires travelling through moving water or boarding small rescue boats.

The number of affected households may continue changing as district administrations complete assessments in areas that were initially inaccessible. Early figures during major floods often underestimate damage because communications and transport systems fail precisely where conditions are most serious.

How are the Bangladesh Army and Bangladesh Navy delivering emergency assistance?

Military personnel have been using boats to carry food, safe drinking water, medicines and basic supplies to communities isolated by flooding and damaged roads.

The deployment provides transport capacity that local administrations and civilian relief groups may not possess during a disaster of this scale. Military boats can reach areas where conventional vehicles cannot operate, while personnel can support evacuation, supply distribution and the movement of patients requiring urgent treatment.

The government has urged residents whose homes are inundated to move to the nearest available shelter. Evacuation, however, becomes more difficult when shelters are distant, roads are blocked or families are reluctant to leave livestock and possessions behind.

The Bangladesh Red Crescent Society and humanitarian partners have also been responding in affected districts. Their activities include supporting evacuations, assessing damage, distributing relief and identifying communities exposed to additional rainfall and landslide risks.

Emergency agencies must prioritise safe water alongside food. Wells, pumps and storage containers can become contaminated when floodwater mixes with sewage, mud and waste.

Medicine deliveries are also important because routine healthcare becomes harder to access during prolonged flooding. Patients requiring treatment for injuries, infections, pregnancy complications or chronic illnesses may be unable to reach clinics.

The effectiveness of the relief operation will depend on whether rain eases sufficiently to reopen roads and permit larger supply deliveries. Boat-based distribution can prevent immediate deprivation, but it is slower and carries less cargo than functioning road networks.

Why are the Rohingya refugee camps in Cox’s Bazar facing extreme landslide danger?

The Rohingya refugee camps are built across steep, heavily populated and environmentally fragile hillsides where intense rain can rapidly destabilise the ground.

Many shelters are constructed from bamboo, plastic sheets and other lightweight materials. These structures provide limited protection when saturated soil, mud and debris move downhill.

Landslides can occur at night or with little warning. Families may be asleep when a slope collapses, reducing the time available to escape. Narrow paths and overcrowding can also delay rescuers trying to reach buried shelters.

At least 16 Rohingya refugees have been killed during the latest period of severe weather. Earlier incidents struck multiple camp locations, while another landslide hit a school and killed children.

Authorities have moved at least 1,000 refugees from high-risk slopes, with plans to relocate more people in phases. Community leaders and emergency workers have used warnings and local communication networks to encourage residents to leave vulnerable areas.

Relocation is not straightforward. Safer land inside the camps is limited, and families may fear losing access to shelters, food-distribution points, schools or community networks if they move.

More than 1.2 million Rohingya live in the wider Cox’s Bazar refugee settlement after fleeing persecution and military violence in Myanmar. The size and density of the camps make large-scale permanent relocation difficult.

The continuing conflict in Myanmar’s Rakhine State has also raised concern about additional people attempting to cross into Bangladesh. A new influx during the monsoon emergency would create further pressure on shelter, sanitation and humanitarian resources.

Why could continued rainfall worsen flooding even after rescue operations have expanded?

The Bangladesh Meteorological Department has warned that heavy to very heavy rain may continue across several divisions, with landslide risks remaining elevated in Cox’s Bazar, Chattogram, Bandarban, Rangamati and Khagrachhari.

Further rainfall can destabilise slopes that have already absorbed several days of water. A hillside that survived the first phase of the storm may collapse later after the soil becomes fully saturated.

Floodwater may also rise when rainfall from upstream areas enters rivers and drainage systems. Communities can therefore experience worsening conditions even when local rain temporarily becomes lighter.

The International Federation of Red Cross and Red Crescent Societies reported forecasts indicating potentially substantial rainfall across high-risk southeastern districts. Cox’s Bazar had already recorded hundreds of millimetres of rain during the first part of July.

Additional rain would slow debris removal and road repair. It could also force authorities to suspend some rescue movements if currents, visibility or landslide conditions become too dangerous.

Waterlogged homes may suffer structural damage as walls, floors and foundations remain saturated. Families returning too early could face risks from unstable buildings, exposed electrical wiring or contaminated water.

Emergency planning must therefore continue beyond the moment when rainfall appears to weaken. Flood levels, landslide risk and infrastructure damage can remain dangerous for several days after the weather begins improving.

What health and humanitarian dangers could emerge if floodwater recedes slowly?

Safe drinking water is likely to become one of the most important humanitarian needs if the floods persist.

Floodwater can contaminate wells, hand pumps and household water-storage systems. Families may then face the choice of drinking unsafe water or travelling through dangerous conditions to obtain clean supplies.

Crowded shelters also require adequate sanitation, waste disposal and hygiene materials. Without those services, diarrhoeal illness, skin infections and other communicable diseases can spread more easily.

Standing water can create favourable conditions for mosquitoes, increasing concern about dengue and other mosquito-borne illnesses during the monsoon season.

Food security may deteriorate if roads and markets remain disrupted. Floodwater can destroy stored grain, livestock feed, vegetable plots, fish ponds and farmland, affecting both immediate household consumption and longer-term income.

Children may lose access to education when schools are flooded, damaged or converted into temporary shelters. Families already facing poverty may struggle to replace books, clothing and other belongings destroyed by water and mud.

Recovery also creates psychological and financial pressure. Residents may return to homes filled with sediment, damaged furniture and unusable electrical equipment while having little income available for repairs.

The humanitarian impact will therefore continue after people are rescued. Restoring water, sanitation, healthcare, transport, electricity and livelihoods will require a broader recovery effort extending beyond emergency food distribution.

How does Bangladesh’s geography intensify recurring monsoon flood and landslide risks?

Bangladesh lies within one of the world’s largest river-delta systems and receives water from extensive regional river basins.

Much of the country is low-lying, making it naturally vulnerable to river flooding, waterlogging and coastal inundation. Heavy rainfall within Bangladesh can combine with upstream flows to raise water levels rapidly.

Southeastern Bangladesh has an additional danger because mountainous terrain sits close to densely populated settlements and the Bay of Bengal. Intense rain can produce flash floods and landslides within a short period.

Urbanisation has also increased pressure on drainage systems in cities such as Chattogram and Dhaka. Construction, reduced natural drainage and blocked waterways can cause rainwater to accumulate quickly.

In the Rohingya camps, deforestation and large-scale settlement on steep hillsides have further reduced slope stability. Humanitarian agencies have carried out drainage, slope protection and relocation work, but the terrain remains highly exposed.

Climate change is expected to increase the intensity of extreme rainfall events in many parts of South Asia. Individual disasters involve several immediate weather and infrastructure factors, but rising temperatures allow the atmosphere to hold more moisture, increasing the potential for intense precipitation.

Bangladesh has developed extensive disaster-warning, cyclone-shelter and community-response systems. Those measures have saved lives during many storms, but they cannot eliminate the risks created by dense populations, fragile housing and repeated exposure to severe weather.

What should authorities monitor as Bangladesh’s flood emergency enters its next phase?

The first priority will be determining whether the death toll and affected-household count rise as rescue teams reach previously isolated locations.

Authorities will also monitor rainfall forecasts and signs of slope movement in the Chittagong Hill Tracts and Cox’s Bazar. New landslides remain possible while the ground is saturated.

Restoring road connections will be essential for expanding aid deliveries. Boats can reach many communities, but large quantities of food, water and construction material require reliable land transport.

The condition of shelters will also require close attention. Facilities must have enough water, sanitation, healthcare and space to accommodate displaced families safely.

Health agencies will need to track diarrhoeal disease, injuries, dengue, respiratory illness and interruptions to routine treatment. Early detection is particularly important in remote districts and refugee camps.

Agricultural losses and damage to small businesses will become clearer after water levels fall. Those assessments will determine the scale of recovery assistance needed by farmers, traders and households.

For residents, the immediate warning remains unchanged: declining water in one location does not mean every danger has passed. Unstable slopes, damaged buildings, contaminated wells and broken electricity systems can remain hazardous after visible flooding begins to recede.

What are the key takeaways from the deadly Bangladesh floods and landslides?

• At least 44 people had died by July 11, 2026, after torrential monsoon rain triggered flooding and landslides across southeastern and northeastern Bangladesh, with the casualty count remaining subject to further assessments.
• More than one million people were stranded, representing 267,918 households across Chattogram, Cox’s Bazar, Bandarban, Rangamati, Khagrachhari, Moulvibazar and Habiganj districts, according to Bangladesh’s disaster-management authorities.
• The Bangladesh Army and Bangladesh Navy deployed boats to deliver food, safe drinking water, medicine and essential supplies because damaged roads, submerged bridges and communication failures had isolated numerous communities.
• At least 16 Rohingya refugees were killed in landslides in the Cox’s Bazar camps, where more than one million displaced people live in densely populated shelters built across steep and unstable terrain.
• Continued heavy rainfall and landslide warnings remained in effect for high-risk southeastern districts, meaning saturated hillsides, rising rivers and additional infrastructure failures could worsen the emergency after July 11.
• Thousands of families were unable to cook because kitchens, fuel and electrical systems were submerged or covered in mud, increasing dependence on dry food and emergency relief that could be transported by boat.
• The next phase of the emergency will require safe water, sanitation, healthcare, road repairs, electricity restoration and livelihood assistance, as humanitarian risks are likely to continue after visible floodwater begins receding.