One person was killed in a fire at a building near 44th and Chestnut streets in West Philadelphia early Tuesday, officials said. Firefighters were responding at about 6:30 a.m., with flames and smoke pouring from the structure. Crews worked on the roof as they fought the fire. Officials confirmed the death at about 7:15 a.m. Authorities had not said how many people were inside when the fire began and had not released identifying information about the person who died. The cause of the fire was not provided.