WOODBRIDGE (CBSDC) — Prince William County Police have arrested two men for sexually assaulting 7 and 8-year-old girls in unrelated incidents.

Authorities arrested 23-year-old Ronald Rubelio Garza-Cortez of Woodbridge on Sunday for the sexual assaults of two 7-year-old girls.

The girls say they were walking in a park when Garza-Cortez inappropriately touched one of them on Friday according to 9NewsNow.

Garza-Cortez has been charged with aggravated sexual battery and assault and battery. He is being held without bond.

The girls say they did not know the man.

Police also arrested 20-year-old Usman Imran Butt for the sexual assault of an 8-year-old girl.

Butt, who also lives in Woodbridge, allegedly assaulted the girl in her home on April 12. He was babysitting her at the time of the incident.

Butt has been charged with aggravated sexual battery and indecent liberties by a custodian. He is being held without bond.