Mumbai: A fire broke out in a posh residential building in Dadar area here this morning but no casualty had been reported so far, an official said.

The fire brigade control room got a message about the blaze on 12th floor of the ‘Crystal Tower’ building, located near Hindmata Cinema, at 8.32 am, he said.

The smoke from the raging fire spread rapidly and residents were trapped on the building’s staircases, Mumbai Fire Brigade chief P S Rahangdale said.

Efforts were on to douse the flames and rescue the residents of the building, he said.

Eight fire engines, four water tankers, officials of the Mumbai Police and electrical mechanics were on the spot and they were making efforts to control the blaze, sources said.

Further details were awaited.