Niagara Regional Police say human remains have been found in the area of the Welland Canal.
Police had been searching the area for a missing teenager.
Quintin Bingley, 18, went missing in St. Catharines, Ont., on May 26, 2018.
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Police say the body was found between Lock 1 and Lock 2, but at this time, the remains are unidentifiable.
Officers will remain at the scene for the next several hours and possibly overnight as the investigation continues.