RATON, N.M. — New Mexico State Police say they are investigating an alleged sexual assault involving a Raton police officer.

On Wednesday, State Police filed a criminal summons requesting Officer Andrew Sanchez appear in the Raton Magistrate Court.

Authorities say a woman contacted police and alleges Sanchez sexually assaulted her on Jan. 8 while he was off duty.

According to a criminal complaint, the woman says Sanchez slapped her face and choked her.

The woman also says that she and Sanchez were in a relationship.

State Police say Sanchez is facing charges of criminal sexual penetration and battery.

It’s unclear if Sanchez has a lawyer yet.