At least 11 people, including three children, were killed in New Delhi after a residential building collapsed on the outskirts of the Indian capital, local reports and authorities said.

Building collapses are frequent in India, and illegal structures -- often home to migrant workers -- are common in big cities.

"Survey of all these illegal buildings is necessary, strict action is required against them," he added. Local media reports said that the four-storey building "came crashing down like a stack of cards ...