A crazed 83-year-old gunman allegedly opened fire at a Texas high school, shooting a stranger — before being tackled by a hero group of “band dads” with police and military backgrounds, according to officials.

A parent tackled a man who opened fire during a band competition at a Houston-area high school and several other people then helped disarm and detain him, in a shooting that wounded one person, officials said.

Four fathers are being praised as heroes after apprehending an active shooter at a band competition at Pasadena Memorial High School in East Texas.

Air Force veteran Abram Trevino, Army veteran Adam Curow, Marine Corps veteran Efrain 'Polo' Castillo and Houston police sergeant Joe Sanchez — who are part of a group known as the "Pearland Band Dads" — were identified by local CBS affiliate KHOU-TV as four of the six parents who helped to de-escalate the situation.

The 'Pearland Band Dads' subdued a gunman at a high school band competition, with one person shot in the shoulder. The 83-year-old suspect faces charges of aggravated assault.

A group of dads are praised as heroes for stopping a gunman at Pasadena Memorial High School during a band competition Saturday. One man was injured.

An elderly man who opened fire at a high school band competition in Texas was apprehended by four tactically trained dads who deescalated the situation.