Yarra Ranges Crime Investigation Unit detectives are investigating following a serious assault in Healesville early this morning.
Police have been told two groups of men were involved in an altercation, in a carpark at the intersection of River and Church street, when the teen was injured about 3.20am.
The Diamond Creek boy has been airlifted to a Melbourne hospital in an induced coma.
Anyone who witnessed the incident or who recognises the man is urged to contact Crime Stoppers on 1800 333 000 or file a confidential report at
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