It started with a shove. Several punches followed, then a full-on brawl broke out in a Chicago maximum security jail Feb. 16.

Video released by the Cook County Sheriff’s office shows several fights breaking out about 9:30 p.m. The fracas lasted about two minutes, before guards entered to break it up.

Guards rushed in to break up the fight at the Cook County Jail on Feb. 16. (Cook County Sheriff’s Office)

Sixteen inmates were indicted on a charge of mob action, according to a statement from the sheriff’s department Feb. 26. The statement also reported finding a homemade weapon.

Two inmates were taken to hospitals, and others were treated inside the jail. None of the detainees faced life-threatening injuries, officials said.