A massive roof collapse at an under-construction warehouse in Kolkata's Taratala area left nine workers dead and 20 injured, triggering a large-scale rescue operation involving the Army, NDRF, police and civic agencies. (Pics/PTI)

Heavy rainfall lashed Kolkata, causing widespread waterlogging and traffic disruptions across several parts of the city. Commuters navigated flooded roads as the IMD forecast more rain, thunderstorms, lightning and gusty winds over the next 48 hours. (Pics/PTI)