WATERLOO - Police have charged an 18-year-old male after two women, both 18, were sexually assaulted on the grounds of the University of Waterloo campus early Sunday.

Neither victim was injured. Police say a suspect grabbed one woman in an inappropriate way and made a sexual comment to the other. It happened between 1 a.m. and 2 a.m. near the Velocity building at 200 University Ave. W.

Campus police found a suspect on campus property, masturbating. Waterloo Regional Police have charged a suspect with sexual assault, assault, and committing an indecent act. He's in custody pending a bail hearing.

"We believe this was an isolated incident," Sgt. Ross Swainson said.

Anyone with information is asked to call police at 519-653-7700 ext. 8347 or Crime Stoppers at 1-800-222-8477.