Hyderabad, April 14 -- At least eight people were killed and seven others were injured in a blaze at a firecracker manufacturing unit in Anakapalli district of Andhra Pradesh on Sunday, officials said. Police said that the fire broke out at around 12.45pm at the manufacturing unit in Kailasapatnam village in Kotauratla mandal of the district. Based on preliminary inquiry, officials said that the fire started in the factory's explosive storage unit and spread to the entire factory within minutes, trapping several workers....