Kirk Moore, principal of Pauls Valley High School in Oklahoma, tackled a gunman who entered his school and has since spoken publicly about the incident in an exclusive interview with CBS News.

Moore described hearing what he said was the unmistakable sound of gunshots during the incident. "There was no denying" the sound of gunshots, Moore told CBS News reporter Matt Gutman in the exclusive interview.

The principal said he acted on "just instinct" when confronting and tackling the school shooter. Moore revealed that he did not initially realize he had been shot during the encounter with the gunman.

Moore discussed both the terrifying nature of the moment and the support he has received from the community since the incident occurred. The principal's quick actions helped stop what could have been a more serious situation at the Oklahoma high school.

The shooting incident at Pauls Valley High School prompted Moore to take immediate action to protect students and staff. Details about the shooter's condition, potential casualties, or charges have not been provided in the available reports.