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Catastrophic
Flash Flood
Ongoing
27 sources
41 casualties
6 entities

Regional Flash Flood, Landslide, and Waterlogging Disaster in Chattogram and Cox's Bazar: 41 Dead and 2 Million Affected

Continuous heavy rainfall, reaching a record 1,454 mm in eight days (July 5–12, 2026), triggered devastating flash floods, landslides, and widespread waterlogging across the Chattogram and Hill Tracts regions. Approximately 2 million people are stranded across 15 upazilas, with extensive damage reported to over 14,000 houses, 14,000 hectares of cropland, and 10,000 aquaculture units. Investigations revealed that illegal canal occupation, sluice gate closures for fish farming, and inadequate drainage infrastructure trapped water and exacerbated the crisis. The event caused 41 confirmed deaths. Prime Minister Tareq Rahman coordinated nationwide rescue and relief operations, with the Bangladesh Army (10th and 24th Infantry Divisions) deployed.

Sunday, 5 July 2026 at 06:00 amChattogram Division, Chittagong Hill Tracts, Cox's Bazar, Bandarban, Rangamati, Khagrachari, Sitakunda, Sandwip, Hatiya, Kutubdia, Lohagara, Satkania, Chandanaish, Banshkhali, Boalkhali, Hathazari, and Fatikchhari

Hazard specifics

Flood category

Flash Flood

River

Various regional rivers

Trigger / cause

Continuous heavy rainfall and mountain runoff

Affected scope

3 Records
ScopeSource wording
divisionচট্টগ্রাম ও পার্বত্য চট্টগ্রাম অঞ্চল
8 · districtচট্টগ্রাম, কক্সবাজার, বান্দরবান, রাঙামাটি, খাগড়াছড়ি, সীতাকুণ্ড, সন্দ্বীপ, হাতিয়া এবং কুতুবদিয়া
15 · upazilla১৫টি উপজেলার ১৫৩টি ইউনিয়নসহ লোহাগাড়া, সাতকানিয়া, চন্দনাইশ, বাঁশখালী, বোয়ালখালী, হাটহাজারী ও ফটিকছড়ি
division
চট্টগ্রাম ও পার্বত্য চট্টগ্রাম অঞ্চল
8 · district
চট্টগ্রাম, কক্সবাজার, বান্দরবান, রাঙামাটি, খাগড়াছড়ি, সীতাকুণ্ড, সন্দ্বীপ, হাতিয়া এবং কুতুবদিয়া
15 · upazilla
১৫টি উপজেলার ১৫৩টি ইউনিয়নসহ লোহাগাড়া, সাতকানিয়া, চন্দনাইশ, বাঁশখালী, বোয়ালখালী, হাটহাজারী ও ফটিকছড়ি

Involved entities

6 Records
Disaster Shelters
Facility
Shelter Center
Chattogram-Cox's Bazar Railway
Infrastructure
Bridge
Sluice gates
Infrastructure
Bridge
Local canals and khal
Natural Feature
River
10th Infantry Division (Bangladesh Army)
Organization
Other
24th Infantry Division (Bangladesh Army)
Organization
Other

Agencies deployed

Bangladesh Army

National military force for land-based operations and disaster response

Deployment of the 10th and 24th Infantry Divisions for rescue and relief operations, establishing temporary camps.

Shelters opened: 1,057

Local Administration

District or Upazila level government authorities

Coordinated flood response, monitoring of disaster situation, and distribution of relief supplies (21.5 million BDT, 3,450 metric tons of rice).

Relief amount (BDT): ৳21,500,000 BDT

Bangladesh Police

Law enforcement agency maintaining public order and security

Deployed for relief and rescue coordination.

Other

Other response agencies

Ansar assisting in rescue and relief distribution.

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