The latest developments after a Crimea referendum approves leaving Ukraine and the region's parliament declares independence.
Officials in Malaysia say they believe the co-pilot of missing flight MH370 spoke the last words to ground controllers before it vanished.
The details of St Patrick’s life remain murky - but tracking his legendary footsteps across Ireland is both peaceful and spectacular, writes Catherine Le Nevez.
After a successful exhibition at London's Tate Modern, the dissident Chinese artist combines sculpture, film, installation and photography for a new show in Berlin.
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