Entertainment » OtherPosted at: Mar 31 2016 3:34PM 15 dead, 50 injured in Kolkata flyover collapseKolkata, Mar 31 (UNI) At least 15 people were killed and 50 injured when a portion of an under-construction flyover collapsed in north Kolkata's Posta area, the city's business hub today. Police said many construction workers, a crowded minibus, several cars, taxis and autos were buried and massive operations were on to retrieve those trapped inside. The toll is likely to shoot up further. The injured have been admitted to three different hospitals. The tragedy befell when a portion of the under-construction Vivekananda Flyover suddenly collapsed near Ganesh Talkies cinema hall on the crossing of Rabindra Sarani and Vivekananda Road at around 12:30 pm. Two teams of National Disaster Response Force, besides Fire Brigade, Army, police and local people were engaged in rescue operation. Chief Minister Mamata Banerjee, who was away from Kolkata on election campaign, headed to the city following the incident. The Chief Secretary, Home Secretary and the city Mayor have rushed to the spot to oversee the rescue operation. Cranes have been called in to lift the collapsed concrete blocks. Iron cutters have been brought to break through the mangled rods of the bridge. Trinamool Congress MP Derek O'Brien called the collapse as a 'monumental tragedy'. "Monumental tragedy. Rescue ops on.Many feared dead. Chief Sec/Home Sec at site. CM headed back to Kol immediately.This is the update I have," he tweeted. The 2.2 KM flyover, a part of which suddenly collapsed, is located near Girish Park metro station in one of the busiest sections of the city -- the Burrabazar area, which is known as the business district and for its wholesale markets. The construction work for the bridge began in 2009. UNI KDG PL ADG AS1533Tags: #15 dead# 50 injured in Kolkata flyover collapse