Windsor police have charged a 41-year-old martial arts trainer accused of sexually assaulting two children while they were left in his care.

Officers began an investigation into a sexual assault allegation on Jan. 9.  

The complainants alleged that they left their children in the care of a family friend periodically from 2013 to 2015.  

Police say the suspect provided martial arts training in the neighbourhood out of his residence. 

On Wednesday, officers attended the male suspect's residence and he was subsequently arrested. 

Michael Stephen Drouillard, 41, is charged with two counts of sexual assault and two counts of sexual interference. 

Detectives are asking anyone with information to call.

 Anyone with information is asked to contact Windsor Police at 519-255-6700 ext. 4830, Crime Stoppers anonymously at 519-258-8477 (TIPS), online at, or Submit a Tip on Facebook.