Three rescuers were trapped after a 3-storey building collapsed on Wednesday when fire department personnel were trying to put out a blaze in Jammu city. The building, housing a saw mill on the ground floor, collapsed during firefighting in the Golepulli area, they said. Several people, including five firemen, were trapped under the debris. Two officials and a civilian were rescued and shifted to hospital and the operation to rescue three other officials is going on.