The officials on Thursday said that the death toll in the collapse of a building at Virar in Maharashtra's Palghar district has gone up to 15 with the recovery of three more bodies overnight, reported news agency PTI.

The unauthorised four-storey building, housing nearly 50 flats, collapsed on an adjacent vacant tenement at Vijay Nagar in Virar area at 12.05 am on Wednesday, they said, reported PTI.

A one-year-old girl's birthday party was underway on the fourth floor when 12 flats in a wing of the building collapsed, trapping residents and guests under the debris, as per eyewitnesses.