Staff Sergeant Mohamed Mahdhee died while diving in the search and rescue operation, the Maldives government tells the BBC.
President Donald Trump said the operation eliminated "the most active terrorist in the world", Abu-Bilal al-Minuki.
Police and rescue officials said the collision sparked a fire that engulfed the bus.
The man was bitten just before 10:00 (03:00 BST) at Horseshoe Reef - north-west of the popular Rottnest Island near the city of Perth, local police said.
The US president says the joint operation eliminated "the most active terrorist in the world", Abu-Bilal al-Minuki.
Charges could come as soon as next week in a case reportedly focused on Cuba's downing of two planes in 1996.
Charges could come as soon as next week in a case reportedly focused on Cuba's downing of two planes in 1996.
It marks the third time a New York jury has considered the case against the 74-year-old disgraced film mogul.
President Trump announced the truce last month, but Israel and Hezbollah have continued to exchange fire since then.
Reble has emerged as one of hip-hop’s most distinctive new voices, channelling defiance into a sound rooted in India’s northeast.
The Fatah faction elects top decision makers, but ordinary Palestinians feel the party and its leader are out of touch.
Canada has twice delayed access to medically assisted dying for those with mental illness. Claire Brosseau says she cannot wait any longer and wants the courts to decide.
Mengele fled Europe after the war but for years there were rumours he spent time in Switzerland.
Mengele fled Europe after the war but for years there were rumours he spent time in Switzerland.
The US president says Tehran has to show "real" commitment to removing nuclear fuel and stopping uranium enrichment.
The US president says Tehran has to show "real" commitment to removing nuclear fuel and stopping uranium enrichment.
Her death has sparked outrage across Australia and intense debate about disparities in society.
Trump’s softer approach towards China is one that experts say will likely trickle down to the wider MAGA base.
Izz ad-Din al-Haddad, described as "one of the architects of the October 7 massacre", was killed in Gaza City, Israel says.
President Trump announced the truce last month, but Israel and Hezbollah have continued to exchange fire since then.
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