Teen shooter kills 4 at Oregon elementary school before being shot by a witness

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 said.The suspect was found dead inside the school minutes after the shooting was first reported, Bend Police Chief Mike Krantz said.The three children killed were aged 5, 8 and 11. Another child, 7, and a teacher, 54, were injured and taken to the hospital in critical condition, he said.The first 911 call came just before 1 p.m. from a person in a vehicle outside Silver Rail Elementary who reported being shot at by someone with a long gun, Krantz told reporters. Further 911 calls came from inside the school, and officers arrived on scene within minutes, police spokesperson Sheila Miller said.The attacker, who police identified as a Bend resident, was shot and went down inside the school shortly after officers arrived, she said.Police said they did not know if th