'Illegal' basement work, extra floors: What triggered Delhi building collapse

A student PG building collapsed in Delhi's Satya Niketan due to waterlogged basement and ongoing repairs. Eyewitnesses and officials suggest structural weaknesses exacerbated the deadly incident. Investigations are underway to determine the exact cause of the decades-old structure's failure. Rescue efforts involved students and local residents working together to save trapped individuals. The tragedy highlights concerns about Delhi's aging buildings and their safety certifications.