Toronto Police are seeking the help of the public following a sexual assault incident on the Humber river trail.
A 39 year-old woman was walking along the trail with her family when the suspect approached her.
He is described as a Caucasian male between the ages of 30 and 35, he stands five feet seven inches tall with a thin build and has short black hair.
He was last seen wearing black sunglasses, a blue t shirt, black jeans and carry a black knapsack.
Anyone with information is being asked to contact police or Crimestoppers.