The Pontiac Correctional Facility is on lockdown after a correctional officer sustained injuries on the job.

According to the Union President of the Pontiac Correctional Facility, an inmate stabbed  a corrections officer in the head with a sharp object during the Sunday day-shift.  The inmate was subdued and the officer was transported to the hospital. The Union President says the officer was released and is able to walk around.

The Illinois Department of Corrections confirmed that an officer was injured during an incident at the prison, treated, and released from a local hospital.

The IDOC is investigating the incident.