At least five people are believed to be dead after a gunman opened fire at Silver Rail Elementary School in Bend, Ore., on Thursday, according to multiple outlets. The shooter was also killed, authorities said. 

Police first received reports of an active shooter at 12:59 p.m. local time, when an unknown man had fired a gun into a car before entering the school, where they continued shooting, according to the Bend Police Department. 

Officers arrived on the scene within three minutes of the initial report. Moments later, the shooter was reported dead, potentially s...