Officials say a lone gunman armed with a rifle killed one student and injured a teacher at an Oregon school before the shooter was found dead.

Troutdale Police Chief Scott Anderson said Tuesday authorities have tentatively identified the gunman, but aren't ready at this point to release the name. They are in the process of notifying the family of the gunman and student who was killed.

Anderson said the teacher suffered non-life threatening injures and was treated at the scene.

During the evacuation, another unrelated gun was found and one person was taken into custody.

More From Newstalk KGVO 1290 AM & 98.3 FM