Three children and a teacher were killed in a shooting at an elementary school in the US state of Oregon on Thursday. The 16-year-old gunman was shot dead by a community member who confronted him, police said. Two other people, including a child and a teacher, were injured in the attack.

The shooting took place at Silver Rail Elementary School in Bend at around 1 pm local time, triggering a major response from police and emergency services.

Police said the circumstances leading up to the shooting, the identities of the victims and the motive behind the attack remain under investigation.