Kenda Freeman said her son, Kaylub Giamanco, intervened in Thursday's attack at Silver Rail Elementary School in Bend and shot the teenage shooter.

Oregon's governor says a community member likely saved lives by chasing down a teenager who shot and killed three children and a teacher at an elementary school in the city of Bend

© AP Photo/Haven Daley

Police said they did not know if the shooter knew anyone at the school or whether he had attended.

A 16-year-old shot his way through locked doors to get into an elementary school in Bend, Oregon, on Thursday, killing three children and a teacher. He was then shot by a person at the scene who followed him inside, authorities…

A 16-year-old shot his way through locked doors to get into an elementary school in Bend, Oregon, on Thursday, killing three children and a teacher. He was then shot by a person at the scene who followed him inside, authorities…

Three children ages 5, 8 and 11 and a teacher were killed in a Thursday shooting at an elementary school in Bend, Oregon, police said.