JAY, Okla. – An outstanding warrant was issued for a Four States couple for allegedly having sex in a public park.

Ross Lowell Harris, 32, of Fayetteville, Ark. and Hailey Elizabeth Russell, 20, of Pittsburg, Kan., were charged on Oct. 3 in Delaware County District Court with acts resulting in gross injury/outraging public decency.

The couple was allegedly having sex in the water at Natural Falls State Park around 6:30 p.m. on June 13, according to an arrest affidavit.

Natural Falls State Park is located in southern Delaware County near Siloam Springs, Ark.

The couple was in the middle of a sex act when authorities arrived at the waterfall area of the park, the affidavit states.

A witness told police she and her husband and their “three young children” at the waterfall area of the park, the affidavit states. The mother observed the couple completely naked and engaged in a sexual act, the affidavit states.