GLENSHAW, Pa. (AP) — Police in a Pittsburgh suburb shot and killed a teacher who they say pointed a gun at them outside his home. Allegheny County Police say Shaler Township officers responded to a report about a man behaving erratically on Tuesday afternoon. Police say 49-year-old Donald Babbit ignored commands as he advanced while pointing the handgun at them. Three officers opened fire. Babbit was wounded and taken to a hospital, where he died. Babbit was a teacher in the Penn Hills School District.