An apparent gas explosion at a Maine condominium complex Tuesday killed one man, while leveling his condo in a blast that could be felt across town. The body of Peter Corey, 65, was found in the rubble of his Yarmouth condo following the 6:20 a.m. explosion, said State Police spokesman Steve McCausland. Ten or more other condos were damaged, and a resident and a firefighter suffered minor injuries, officials said. The state Fire Marshal’s Office was investigating, but McCausland said the cause apparently involved propane. The Yarmouth condo complex is made up of groupings of modern, upscale attached homes. The explosion Tuesday disintegrated one of the homes, turning wallboard into powder and leaving a large debris field around the house and other bits and pieces scattered around the neighborhood.