Hamilton Police have arrested a former McMaster wrestling coach and charged him with sexual assault.
Police say they have charged the coach with two counts of sexual assault and they believe there are more victims.
Investigators says a woman came reported incidents that allegedly occurred between 2009 and 2014.
Police says the adult female met the accused at McMaster University where he served as an assistant wrestling coach.
McMaster University says 47 year old Robert Betz has not had any role with the school since leaving in 2016.
The university has begun a third-party investigation.
Police believe there are other victims who have yet to come forward and encourage them to contact Detective Jennifer Currie at (905) 546-8958.