Three people of a family, including a child, have been killed as a mound collapsed over the house number 89 in road number 2 of Chamelibagh residential area in Sylhet around 7 am on Monday.
Four people were rescued as injured and admitted to MAG Osmani Medical Hospital.
The three killed persons are: Agha Karim Uddin, 31, his wife Mst. Shammi Akhtar Rozy, 27 and their 2-year-old daughter Taniz.
Fire service, along with several teams of Sylhet City Corporation and locals are working to rescue the missing.
Meanwhile, Sylhet City Mayor Anwaruzzaman Chowdhury visited the spot.
Bd pratidin English/Lutful Hoque