CHARLOTTE, N.C. (AP) — David Belnap stood on his North Carolina college campus aching from the latest U.S. school shooting as he held a candle and wore a homemade T-shirt with "Riley Howell is a hero" written on the back.

Howell died in his classroom Tuesday at the University of North Carolina-Charlotte, charging and tackling a gunman who would kill him and another student and wound four others with a legally obtained pistol, authorities said.

Howell's decision to fight for the lives of others fit his character, Belnap said Wednesday at a candlelight vigil on campus the night after the shootin...