Three inmates were stabbed and a correctional officer injured during a brawl at the Cook County Jail Friday afternoon, authorities said.
Fire officials received a call shortly before 4 p.m. reporting three prisoners stabbed at 2834 W. 31st St., according to fire media affairs.
The Cook County Sheriff's office said a fight broke out between two detainees on a general population tier in maximum security Division 9. As many as 20 detainees joined in and became involved in the fight, according to a statement from the sheriff's office.
One detainee used what is believed to be a pen or "other writing instrument" to "inflict non-life threatening injuries on three detainees, officials said.
The fight last only a couple of minutes after one correctional officer used pepper spray to break it up, according to authorities.
One prisoner was transported to John H. Stroger Jr. Hospital of Cook County and two others were transported to Mount Sinai Hospital. All were listed in serious-to-critical condition, fire officials said.
A correctional officer was injured and "overcome" with pepper spray, authorities said. The officer was taken to St. Anthony's Hospital in fair-to-serious condition.
"Our thoughts and prayers remain with American law enforcement officers who have been attacked in the past 24 hours," the statement from the sheriff's office read.