India, April 29 -- A week after a four-storey residential building collapsed in northeast Delhi, killing 11 people, the Delhi Police and Municipal Corporation of Delhi (MCD) identified more than 144 illegal and at-risk multi-storey buildings in Dayalpur, Mustafabad, Seelampur, Brijpuri and Dilshad Garden.

Police said these buildings either have more than four storeys that have been built illegally or they have structural flaws. At least 15 of the 144 buildings have already been sealed, and notices have been served to owners of more than 20 to vacate the premises or fix the structural flaws, officials said. If the owners do not take immediate action, MCD can demolish the buildings under the DMC Act, officials said.

"We were provided a li...