A brawl broke out on the football field after the University of Michigan defeated Ohio State University 13-10 on Saturday.

Video of the incident showed players from the two opposing teams arguing after players from the Michigan Wolverines attempted to hang their flag at the OSU Buckeyes’ stadium.

Police deployed to break up the riot after the game said they used pepper spray on the college athletes.

“After the game, officers from multiple law enforcement agencies helped break up an altercation on the field,” Dan Hedman, an Ohio State spokesman, said in a statement. “During this altercation, multiple officers from Ohio and Michigan deployed pepper spray. OSUPD is the lead agency for game days and will continue to investigate this matter.”

According to police union president Brian Steel, one of the officers was injured during the incident and was taken to the hospital.

“Officers are authorized to use pepper spray to stop assaults and protect themselves and others,” Steel said in a post on X.

Ohio State football coach Ryan Day pointed out that the raising of the Michigan team flag sparked the fight.

“This is our field, and of course we’re embarrassed that we lost the game, but there are some proud guys on this team who wouldn’t just let that happen,” Day said.