The building, located in Yashwant Nagar near Grand Hyatt Hotel, came down around noon following which the firemen rushed to the spot.

According to fire brigade officials, a large portion of the dilapidated building fell on an adjoining slum area.

“Some two-three families are feared trapped in Catherine Chawl in the slum area,” informed Brihan Mumbai Municipal Corporation Control Room.

“There have been no reports of any casualties so far and rescue operations are underway at the site,” said an official in the BMC Disaster Cell.

Further details into the untoward incident are awaited.