NEW DETAILS: Two people are being hailed for their bravery in the Bend, Oregon, school shooting, including a teacher who physically confronted the armed suspect.

A teacher fought back against a school shooter as an armed bystander rushed into a classroom and opened fire, striking the gunman multiple times, police say.

In a new update on the Silver Rail Elementary School shooting in Bend, Oregon, authorities say the suspect entered a classroom and fired as many as 15 rounds, striking all of the victims inside.

A 36-year-old man who had parked at the school retrieved a legally secured handgun from his vehicle and rushed toward the building. After hearing gunfire and spotting the teacher physically struggling with the suspect, he entered the classroom and fired his weapon.

Police say the exact number of rounds fired remains under investigation.

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