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.

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.

An elderly gunman opened fire at a Texas high school band competition over the weekend, leaving one person wounded. However, a parent tackled them and others helped disarm and detain the suspect.