WINNIPEG -- A Winnipeg police officer is facing several charges including sex assault and extortion.

Police say they began an investigation into an officer's conduct in June.

It's alleged the officer committed the crimes on and off duty.

Const. Remi Van Den Driessche, who is 39, is charged with breach of trust, criminal harassment, sex assault and extortion.

The eight-year veteran was released on a promise to appear and has been put on administrative leave pending a review.

Police did not give any other details.