Hopes are fading that Iranian President Ebrahim Raisi will be found alive as rescue teams locate the wreckage of the helicopter he was travelling in.

Ukrainian forces have launched "co-ordinated strikes" against an airbase in southern Russia that is used to unleash glide bomb attacks on Ukraine, a military source has said.

Islamic State has claimed responsibility after three Spanish tourists were killed when gunmen opened fire in Afghanistan's central Bamiyan province.

Ebrahim Raisi has been one of Iran's hardest of hardliners, a fanatical and absolute believer in the Iranian revolution and its mission.

A helicopter carrying Iran's president crashed during bad weather on Sunday.

A comet fragment lit up the skies over parts of Spain and Portugal overnight - as one person said witnessing the blue fireball "felt like a movie".