Residents of more than 30 flats in a five-storey building at Mumbra in Maharashtra's Thane city were evacuated soon after several cracks were spotted in it, officials said on Sunday.

Deputy Municipal Commissioner (Mumbra) of Thane Municipal Corporation (TMC), Manish Joshi, said the building named Shree Sai Krupa, located in Sanjay Nagar area, has been sealed and the occupants shifted to a civic school in the locality after the residents observed cracks on Saturday evening.