A Friday night house fire on the 100 block of 70th Street is under investigation by Falls fire investigators and police detectives.
Emergency crews were called to 123 70th St. about 5:50 p.m. for reports of a fire inside. Reports from the scene indicated that a man had intentionally set the fire and fled the scene.
Firefighters located fire on the second floor. It was ultimately extinguished.
Police officers located the suspect at a convenience store near the fire scene. He was detained by police.