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, according to police.

Over 1,000 people have signed a petition is urging Tennessee lawmakers to mandate metal detectors in all schools.

A 16-year-old female student was killed, another student was wounded, and the shooter—a 17-year-old male student—killed himself, per police.