A five-storey building tilted at Enayet Bazar in Chittagong city on Saturday, forcing the authorities concerned to evacuate the building.
Police, city corporation officials and fire service men rushed to the spot and evacuated the residents of the building, said Nezam Uddin, OC of Kotwali Police Station.
The five-storey building, owned by one Kartik Ghosh, was built in Goalapara 35 years ago.
Kartik Ghosh along with his family and his five brothers used to live in the building.
Locals said the work of installing two more pillars was going on Saturday without taking any prior permission from the Chittagong Development Authority.
In the evening, a crack developed on the wall of the building and suddenly tilted around 10:30pm.
Upon receiving the information, fire service men, police and city corporation officials rushed to the spot and evacuated the building around 11pm.
Police also asked the residents of an adjacent eight-storey building to evacuate it immediately apprehending danger.
Meanwhile, the authorities concerned have blocked the entrance of the building with bamboo and logs as no one can enter it.
Mohammad Ali, senior station officer of Nandankanan Fire Service, said: “A notice has already been hung declaring the building ‘risky’, and the authorities concerned will take further steps on Sunday.”