(WPXI) – A man is charged with homicide in the Tuesday morning stabbing deaths of his father and aunt at a home in Penn Township, authorities said. Police were called about 2:30 a.m. to the home on Harrison Avenue, near Burrell Hill Road. When officers got there, 41-year-old Neal Hubish was in the front yard. Neal Hubish told officers he was asleep when he was awakened by his father, 70-year-old Arthur Hubish, and aunt, 76-year-old Maria Puskarich, arguing, police said. He initially claimed he found them both lying on the ground inside the home, but later admitted to killing them. Arthur Hubish was pronounced dead at the scene by paramedics. His sister, Puskarich, died in an ambulance while she was being taken to a hospital. The three lived together. Investigators said there was a history of domestic violence between Neal Hubish, his father and his aunt. Neal Hubish is charged with two counts of criminal homicide.