RAPID CITY, S.D. (AP) — A missing South Dakota woman has been found in Nebraska and her ex-boyfriend has been arrested for assaulting her.

The 21-year-old Rapid City woman was being treated for “significant injuries” at Chadron Community Hospital Sunday. The Nebraska State Patrol says hospital staff called police after the woman said she was sexually assaulted and beaten multiple times at a Chadron motel. Family members in South Dakota reported the woman missing on July 14.

Police arrested her 33-year-old ex-boyfriend from Rapid City Sunday night in Chadron. He is being held in the Scouts Bluff County Jail.