Officer attacked at correctional facility in Oak Park Heights, Minn.

A corrections officer was seriously attacked by an offender Wednesday at a correctional facility in Oak Park Heights, Minnesota.

According to a release, the officer fought back and was then assisted by several other officers. The officer's injuries are not life-threatening.

The facility was put under lockdown following the assault.

The offender was serving a life sentence for aiding and abetting second-degree murder.

The attack is under investigation, so further details cannot be released.