Officers say they responded at around 5:30 p.m., in Welland’s Merritt Island area on May 26.
Police say a woman told officers a man on a mobility scooter approached her while sitting alone and sexually assaulted her.
Police say the woman didn’t seem to have any physical injuries.
Police describe the suspect as a heavy-set white man in his 50s, with short white or grey hair. He was last seen wearing a dark navy baseball hat, white t-shirt, tan cargo shorts and white shoes.
He also has a large scar on his left knee.
Police say the woman and the suspect didn’t know each other.
Anyone with information relating to this incident can contact the lead detective at 905-688-4111, option number three, extension number 1009450 or Crime Stoppers.