A sexual assault charge has been laid against an OPP officer, Ontario’s police watchdog says.

The investigation started in August when a woman from Aurora filed a complaint, the Special Investigations Unit says

The alleged sexual assault happened in Aurora on Aug. 9, the SIU said in a news release Wednesday.

OPP Const. Robert Horton has been charged with sexual assault and is scheduled to appear in Newmarket on Feb. 26.

The SIU is an arms-length agency that investigates incidents involving police that have resulted in death, serious injury or allegations of sexual assault.

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