Aidan Eldridge News Today

A tip to the Knox County Sheriff's Office led to an arrest of a man who had a loaded rifle in his car during a football game, officials said.

On Friday, investigators said a teen was found with a gun at a football game. They said he planned to confront a teacher. Now, some schools are stepping up security.

Officers said they received a tip the suspect "wasn't in his right mind" and was on his way to Christian Academy of Knoxville to confront a former teacher.