Gun discharges at West High School, grazing teacher

A teacher at West High School in Knoxville, Tennessee was grazed by a bullet or bullet fragment after a gun went off accidentally inside a student's backpack. The school was placed on lockdown and dismissed early, but there were no serious injuries. The student is in custody and has been charged with reckless endangerment, reckless aggravated assault, and possession of a weapon on school grounds. The incident has sparked discussions about school safety and the use of metal detectors.