A robotic submarine looking for the missing Malaysia Airlines plane continued to dive on Sunday, after completing about half of its search on the bottom of the Indian Ocean with no luck.

Environmentalists have expressed anger after it emerged that two US fighter jets dropped four unarmed bombs into Australia's Great Barrier Reef Marine Park when a training exercise went wrong.

Two American fighter jets dropped four unarmed bombs into Australia’s Great Barrier Reef Marine Park last week when a training exercise went wrong, the US Navy said, angering environmentalists.

Two US fighter jets dropped four unarmed bombs in Australia’s Great Barrier Reef Marine Park when a training exercise went wrong, it has emerged.