Toronto police have arrested a 71-year-old man in connection with a sex assault investigation dating back to 1972.

Police say that while working as a teacher at a private religious school in the Bathurst Street and Steeles Avenue area, a 12-year-old boy was assaulted during a summer camp.

Police say the assaults continued over a three-year period.

Investigators believe there could be more victims and are asking anyone with information to contact police at 416-808-3205.

Heshi Nussbaum of Toronto has been charged with indecent assault.

He appeared in Toronto court on Wednesday.