OPP divers from Gravenhurst are expected to arrived in Thunder Bay tomorrow morning. They will be heading to the McKenzie River in Shuniah Township to search for a missing cliff diver. OPP say that a 26 year old Thunder Bay man did not resurface after making a dive this afternoon. Police say he was was with three other friends at the time. They say the location is off of McKenzie Heights Road just east of the McKenzie River Bridge.