The deceased were identified as Usman, 23, of Shibganj upazila of Chapainawabganj district, Shafiqul, 22, of Atarshia village under the same upazila, and Insan, son of Shahjalal Miah of Dakshin Krishna village in Sadar upazila of the same district.
Sub-Inspector (SI) Mainul Islam of Dhanmondi Police Station, said the three construction workers fell down while they were working on the outside temporary frame of a 10-storey under- construction building around 11:30 am on Monday.
One worker died on the spot and two others were pronounced dead when they were rushed to Square Hospital.
On information, police went to the spot and sent the bodies to Dhaka Medical College Hospital morgue for autopsy in the afternoon.
Also read: Plight of construction workers: 3 fall to death in city