A masseur in Toronto has been charged in connection with an alleged sexual assault that took place last weekend.According to investigators, 53-year-old Jiquan Liu was working as a masseur in Chinatown, near Spadina Avenue and Dundas Street West.The victim went for a massage and then told police they were sexually assaulted during the service.Liu was arrested Friday and charged with a single count of sexual assault.Authorities believe there may be more victims and encourage anyone with information to contact police.