Law enforcement officials seeking a motive for a shooting at Nashville’s Antioch High School on Wednesday morning are examining alarming social media posts and writings tied to a teenager police say shot and killed a 16-year-old girl.

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.

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.

Nashville city leaders, local clergy, advocates for gun reform and Antioch High School teacher respond to school shooting at vigil, other responses.

Police are on the scene at Antioch High School near Nashville after shots were fired in the building on Wednesday.

A local official confirmed two Antioch High School female students were shot by a 17-year-old male student who died from a self-inflicted gunshot wound. One of the victims has died. CBS News' Anna Schecter breaks down what's known about the school shooting near Nashville,

Mental health advocates offer resources following Antioch High School shooting, including a Crisis Processing Session.

Tennessee state Rep. Jason Powell wants school shootings and gun violence addressed in a special session that begins Monday.

Students said they will be holding a demonstration at the Tennessee State Capitol to demand legislative action in the wake of the deadly shooting at Antioch High School, according to the event’s student organizers.

Critics of the bill said the idea sounds good until something like the tragedy at Antioch High School or even The Covenant School takes place.