India, April 15 -- Kirk Moore, the principal of Pauls Valley High School, Oklahoma, is being hailed a hero after new video showed him tackling the shooter before they opened fire. The video was obtained by a KFOR reporter, but quickly went viral, with many praising Moore's actions.

He had tackled the former student who had entered school carrying a gun, on April 7. In the footage, a man can be seen entering the lobby with what appears to be a gun. At least two other people are seen in the lobby. Moore is then seen running in and tackling him.

Then, another school employee can be seen walking in to help and take the gun away from the ex-student. During the course of the event, Moore suffered a gunshot to his leg but survived.

Victor Haw...