A woman was killed after a water tank on the rooftop of a nearby building collapsed and fell on her tin-shed house in Dhaka's Kamalapur area last night. The victim was identified as Rima Akter 42, a mother of three children. Her sister-in-law Syeda Nasim Ara said Rima was staying at her father's house at Uttar Kamalapur area when the accident took place around 8:00pm. A