Mumbai Building Collapse: A part of staircase of a building collapsed in Khar (West) this afternoon.

A 10-year-old girl died after a building in Mumbai's suburban Khar area collapsed this afternoon, a fire brigade official said. Nearly two dozen residents of the building were rescued, he said.

The girl, Mahi Motvani, was trapped under the debris of the five-storey apartment building located near Khar Gymkhana. She was declared dead at the Lilavati hospital. The building has been vacated as a precautionary measure.

"We rescued 21 people using a fire ladder. Two people were injured and taken to Bhabha Hospital. One of them has been discharged," the official said.

The incident took place around 2.20 pm, when a part of a staircase at the building came crashing down, said a fireman.

Four fire engines along with rescue vans, an ambulance, local civic officials, National Disaster Response Force (NDRF) and police personnel have been pushed to the spot, he added.