Innisfail RCMP are investigating the alleged sexual assault of a civilian groundskeeper by an inmate at Bowden Institution.
Police said the female worker was attacked on Dec. 11.
She managed to fight off her attacker and called for help but suffered injuries to her face, hands and elbows.
The inmate was moved to a prison in Edmonton.
Innisfail RCMP Cpl. Jeff Hildebrandt said the incident is still under investigation and no charges have been laid yet.