One student is dead and another is wounded after a third student opened fire with a pistol Wednesday at Antioch High School ...

MNPD Police Chief John Drake said the shooter entered the cafeteria around 11 a.m. and began shooting, killing one student and grazing another.

The shooter was “significantly influenced by web-based material, especially that found on non-traditional sites that most would find harmful and objectionable,” police said.

The 17-year-old shooter, who was also a student at Antioch High School, later shot and killed himself with a handgun, Metro Nashville Police spokesperson Don Aaron said during a news conference.

The teenager who fatally shot a student at a Nashville high ... Get top local stories in DFW delivered to you every morning. Sign up for NBC DFW's News Headlines newsletter.

The teenager who fatally shot a student at a high school in Nashville, Tennessee ... a graze wound to an arm and was treated at a local hospital and released. A student who was in the cafeteria ...

The teenager who fatally shot a student at a Nashville high school partially live-streamed the incident ... wound to the arm and was treated at a local hospital and released.