A 13-year-old boy has been charged with sexual assaulting three women in separate recent incidents in Ottawa's west end.

In the most recent case, a woman reported she was grabbed and sexually assaulted near Grenon and Noren Avenues around 2:30 p.m. on July 23. She chased the suspect before calling police, and a short time later police said they arrested the 13-year-old boy.

Two women had earlier reported being grabbed and sexually assaulted in separate incidents on the evening of July 14. One reported she was attacked on Dumaurier Avenue near Ramsey Crescent, the other near Richmond Road and Bayshore Drive.

All three women were in their 30s, police said. 

Anyone with information is asked to contact the Ottawa police at 613-236-1222 ext. 5944 or Crime Stoppers at 1-800-222-8477.