LINCOLN, Neb. (AP) — The Nebraska Correctional Services Department says an inmate assaulted a staff member at the Nebraska State Penitentiary in Lincoln.

The assault occurred a little after 7 p.m. Sunday. The department says the inmate refused the staffer's request to return to a secure area and then attacked the staffer.

The department says the inmate hit the staffer several times in the face. The staffer later received several stitches to close a lip wound.

The names of those involved haven't been released.