Police have arrested the owner of "Maryam Villa" in connection with last Tuesday's fire in the building in Chittagong’s North Kattoli area, which claimed the life of a woman and injured five others of a family.
The arrestee has been identified as Momtaj Mia.
Jahir Hossain, officer-in-charge of Akbar Shah police station, said that they nabbed Momtaj during a raid on Tuesday night in the Kattoli area.
"He will be produced before a court later in the day, and we will seek his remand for interrogation," he said.
Earlier that day, Jamal Sheikh, a member of the victim's family, lodged had a complaint at the police station against Momtaj and Bakhtiyar, the in-charge of the building.
In the early hours of Tuesday, the fire broke out at the building, charring the six members of the family.
Police claimed that a leak in the building's gas line had triggered an explosion, leading to the fire.
Late on Tuesday night, Sajeda Begum, 49, succumbed to her injuries at Chittagong Medical College and Hospital.