The teenager who fatally shot a student at a high school in Nashville, Tennessee, livestreamed part of the incident, according to the platform he used, and he was influenced by internet content that authorities described Thursday as “harmful and objectionable.

Nashville police say a female student was killed in a shooting Wednesday at Antioch High School; a second student suffered what Metro Nashville Police Department rep Don Aaron described as a grazing wound,

A student opened fire inside Antioch High School, shooting two other students and then himself, the authorities said. A female student and the shooter were killed, officials said.