A teenager was allegedly raped in Prince William County last weekend during a party at a hotel, the county police said.

They said the girl became unconscious after youths had been drinking in one of the rooms of the hotel in the 7300 block of Old Centreville Road in the Manassas area. The alleged attack occurred some time after 3 a.m., police said.

The victim went home later that morning and reported the incident on Tuesday to a school resource officer, police said.

They said a suspect, who was 17, was detained Thursday on a charge of rape. Police said they are continuing to investigate.