LINCOLN, Neb. (AP) — Officials say two Nebraska prison staffers were assaulted by inmates over the weekend.

The Nebraska Department of Correctional Services said in a news release Monday that a caseworker the Nebraska State Penitentiary in Lincoln was attacked Saturday and a lieutenant was attacked Sunday at the Nebraska Correctional Youth Facility in Omaha.

The department says the Lincoln caseworker was punched and the Omaha lieutenant was bitten on a hand. Both were treated at outside medical facilities and released.

The names of those involved have not been released. Findings from the two investigations will be submitted to local prosecutors for consideration of charges.