Police continue their search for human remains a park west of Toronto.

A head and foot were found earlier this week and two hands were found on Friday in the Credit River that flows through Hewick Meadows Park in Mississauga.

Peel police Sergeant Pete Brandwood says tests have yet to confirm if the hands are from the same person as the foot and head, but adds it seems safe to assume so.

Brandwood says he's optimistic more evidence will emerge this weekend as some 50 police officers and other searchers scour the area.

Police say identifying the body is a priority.

Authorities discovered a woman's head Thursday -- a day after hikers came across a woman's severed foot.