Metro Nashville Police Department spokesman Don Aaron said police received the first call to 911 two minutes after the 17-year-old student opened fire.Start the day smarter. Get all the news you need in your inbox each morning.

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.

Students Injured in Tennessee High School Shooting, Antioch High School, gun violence, school shootings, lockdown

One 16-year-old girl named Josselin Corea Escalante was killed, and two other students were injured. The injured students were taken to Vanderbilt Pediatrics for medical attention. The shooter shot himself and died from the self-inflicted wound.

Just over 50 years ago, paleontologist Donald Johnson unearthed the remains of "Lucy," an ancient human relative who lived more than 3 million years ago. Now, another group of scientists have found new clues about what life was like in Lucy's time, including the surprising discovery of early tools dating back three million years.

MNPD responded to the school where three students were shot, including the suspect, who shot himself, according to police.