A portion of a five-storeyed building collapsed in Khar (West) region here on Tuesday, authorities said.
According to authorities, the residential building was evacuated but a 10-year-old girl is still trapped under the rubble. Rescue operation by Disaster Response Force (NDRF) is underway.
The incident occurred around 1:13 pm when a part of the staircase of the residential building 'Puja' collapsed.
Fire engines along with an ambulance, NDRF and police personnel have rushed to the spot and are assisting in the rescue operation.