A diver has died after an attack by a suspected 4.5-meter shark near Michaelmas Island. It is the third fatal shark attack in Australia in three weeks.

The incident happened off Michaelmas Island just before 11.30am on Saturday.

Government department says man was in the water around Michaelmas Island, near Albany, when he was bitten by a suspected 4.5-metre shark

The man was fishing when he was bitten by a shark, police say.