A 17-year-old boy who opened fire in his Nashville high school's cafeteria fired a total of 10 shots from a 9 mm pistol within 17 seconds of entering the room.

A female student was killed and another student was injured Wednesday in a shooting in a Nashville high school cafeteria, authorities said, jarring the community nearly two years after another school massacre sparked a debate for gun reform in Tennessee.

One student is dead and another is wounded after a third student opened fire with a pistol Wednesday at Antioch High School in Nashville, Tennessee, police said. The 17-year-old shooter then shot himself and died,