Police are on the scene at Antioch High School near Nashville after shots were fired in the building on Wednesday.
Over 1,000 people have signed a petition is urging Tennessee lawmakers to mandate metal detectors in all schools.
Antioch High School in Tennessee was placed on lockdown as police investigated a shooting inside the school building, officials say.
Fear gripped parents and students in Antioch after the deadly school shooting-not knowing what would happen as their children ...