Bangladesh Navy rescues a mother and newborn amid Bangladesh's deadliest flood in history in Sunamganj, Sylhet on June 23, 2022. The people of North-Eastern Bangladesh are experiencing the worst flooding in living memory. 94% of the Sunamganj District are submerged by floodwater. Bangladesh is experiencing historic flooding, the worst in decades. Heavy monsoon rains have caused the worst flood in history, killing over 40 people and stranding millions.