Just in: At least 10 people are feared dead and several injured as an under-construction  flyover in north Kolkata collapsed on Thursday. Efforts are on to rescue those who may be trapped under the debris. The Vivekananda bridge, which was being built is located at Girish Park, and is extremely congested. Residents of the area say they heard a loud noise and rushed out of their homes fearing an earthquake. Details awaited.