The attack occurred at Horseshoe Reef - north-west of the popular Rottnest Island near the city of Perth, local police say.

No group has yet claimed responsibility for the attacks, which have devastated Mussa town in Borno state.

Staff Sgt Mohamed Mahdhee died while diving in the search-and-rescue operation, the Maldives government tells the BBC.

No group has yet claimed responsibility for the attacks, which have devastated Mussa town in Borno state.

Staff Sergeant Mohamed Mahdhee died while diving in the search and rescue operation, the Maldives government tells the BBC.