Shooting at school stopped by Officer on the scene.

[Dan Stubbs]

School resource officer Mark Dallas of the Dixon, Ill., police department shot an ex-student at Dixon High School Wednesday morning preventing potential loss of life at the school after the ex-student opened fire on him.

The ordeal took place at about 8 a.m. local time when the suspect approached Officer Dallas and opened fire, according to local officials. Dallas then returned fire and hit the suspect. The suspect was then apprehended. He is receiving medical treatment for a non-life-threatening wound. Guns can stop shooting it seem if he is brave enough to do his job.