A three-storey building in Thane collapsed in the wee hours today leaving 11 dead and 7 injured. The incident took place at around 2.45am. Several people are still feared to be trapped under the debris. 50 year old Krishna Nivas building situated in Naupada area was already declared unsafe for living by the Thane Municipal Corporation. Injured have been admitted to a local hospital. Police and Fire Brigade officials along with a team of National Disaster Response Force are carrying out the rescue and relief operations.