Murder probe as body found in Vic car park

A murder investigation is under way after a passer-by found a man dead in a Melbourne car park.

Victoria Police say the man's body was found in Upper Ferntree Gully on Saturday after 3pm.

"The exact cause of death is yet to be determined but it's being treated as suspicious at this stage," a police spokeswoman said in a statement, adding homicide squad detectives were investigating.