The search for missing Perth fisherman Ian Gray has officially entered its fourth day with authorities beginning to fear the worst.
The 46-year-old went missing after heading out on a fishing trip by himself off the Green Head coast.
WA Police Senior Constable Brendan Byrne said authorities are becoming increasingly concerned for Mr Gray’s wellbeing.
"Police do hold grave fears for his welfare and we're doing everything in our best efforts to find Mr Gray,"- Brendan Byrne
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