A 16-year-old gunman shot dead three children and a teacher at Silver Rail Elementary School in Bend, Oregon, on Thursday before being killed by a community member who pursued him inside, police said.
The victims included three children aged 5, 8 and 11, according to authorities. The attacker used a pump-action shotgun that was purchased by his mother, a law enforcement official briefed on the shooting stated.
Police identified the attacker as a local 16-year-old boy, but did not release further details on him or the identity of the victims. The school in Bend is located more than 100 miles southeast of Portland and had 459 enrolled students as of last year, according to the Oregon Department of Education.
"No words can adequately express the grief our community is experiencing,"police said.