A 20-year-old woman from Himachal Pradesh has been killed after a four-storey building collapsed in Punjab's Mohali district on Saturday.

The victim, identified as Drishti Verma from Theog, was rescued from the rubble in critical condition and was rushed to Sohana Hospital but died of her injuries, officials said.

At least five people are said to be trapped in the rubble. Teams of the Indian Army and National Disaster Response Team (NDRF) are engaged in the rescue operation.