Officials Describe How Gunman Killed 5 Relatives and Set Pennsylvania House on Fire

EAST LANSDOWNE, Pa.—Four of the five family members found dead in a house fire near Philadelphia were fatally shot by an adult male relative who also killed himself after setting fire to the home, authorities said Wednesday. The youngest victim, a 10-year-old boy, was not shot but died of smoke inhalation, Delaware County District Attorney Jack Stollsteimer said as officials closed the investigation into the six Le family deaths in East Lansdowne. Two police officers were shot and injured by Canh Le, 43, as they responded to the scene. Other officers dragged them to safety, and both are recovering. Three generations of the Le family lived in the home, including grandparents who had come to the U.S. from Vietnam five decades ago and their two adult sons. Canh Le was single; his younger brother was married with three children....