KINGSTON, Ont. - A 75-year-old Kingston, Ont., man is facing charges following allegations he sexually assaulted his adult granddaughter.

Police say they began investigating on Oct. 7 after receiving a report alleging a sexual assault occurred in late August.

Investigators say the alleged incident occurred while the woman was living with her grandparents.

They say the man is accused of sexually assaulting the woman twice on one day and attempting to stop her from leaving a room.

Police say the man turned himself in on Wednesday and has been charged with two counts of sexual assault and forcible confinement.