A search is underway for a man and his boat missing on Lake Wellington in Sale since Sunday.
It is believed two men were in separate boats on the lake when one of the boats developed engine trouble about 4.15pm.
A 72-year-old Sale man returned to shore in his boat and was taken to hospital for observation.
The second boat, with the sole occupant, a 48-year-old Golden Beach man onboard, has not been located.
The Police Air Wing, local police and Water Police are involved in the search. A search for the vessel and the man is ongoing.
Anyone with information is urged to call Crime Stoppers on 1800 333 000 or submit a confidential report to www.crimestoppersvic.com.au.