2 adults dead in Florida high school shooting

A fired employee of Episcopal High School in Jacksonville, Florida, returned to the school Tuesday, shot and killed the headmistress and then killed himself, authorities said.

The gunman, who was terminated earlier in the day and carried an assault rifle in a guitar case, went to the office of Headmistress Dale Regan, Undersheriff Dwain Senterfitt with the Jackonsville Sheriff's Office told reporters.

"He shot and killed Ms. Regan and then he killed himself," he said.