Week in pictures: 21-27 May, 2016 - BBC News

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ADRIAN DENNIS / AFP
The Queen and other members of the Royal Family, including the Duke and Duchess of Cambridge and Prince Harry, attended London's Chelsea Flower Show, which is organised by the Royal Horticultural Society, and widely regarded as the world's most prestigious flower show.





VALERY HACHE / AFP
Kent-born director Andrea Arnold (L) won the Jury Prize at this year's Cannes Film Festival for her road movie American Honey.





FRANCOIS LO PRESTI / AFP
A strike over new labour laws spread to all of France's eight oil refineries this week. A third of petrol stations were dry or dangerously low on fuel after days of blockades at refineries by union activists.





ITALIAN NAVY VIA AP
The capsizing of a migrant boat in the Mediterranean was caught on camera by the Italian navy as officers rescued more than 560 people. The trawler overturned apparently as a result of people on board rushing to one side after spotting a rescue ship, and five people were found dead.





AHMAD AL-RUBAYE / AFP
In Iraq, pro-government forces advanced on the city of Fallujah held by the so-called Islamic State as fears grew for tens of thousands of civilians trapped there.





MOHAMED ABDIWAHAB / AFP
Hundreds of families have been forced out of their homes following flash floods in Beledweyne, north of Mogadishu, Somalia, after torrential rains pounded the area.





CAROLYN KASTER / AP
US President Barack Obama set out his plan for a stronger relationship with Vietnam, a day after announcing the US was fully lifting its embargo on sales of lethal weapons to the country.





JASON REED / REUTERS
Interactive light installations like this one at the Botanical Gardens were switched on across Sydney as part of the Vivid Sydney light festival.





MIKE HUTCHINGS / REUTERS
One thousand Indian Runner ducks are let loose to destroy the snails and bugs which feast on budding vines at the Vergenoegd wine estate in Stellenbosch, South Africa.





INTS KALNINS / REUTERS
Marathon runners Lily, Liina and Leila Luikare are sisters who are set to be the first identical triplets to compete against each other in an event at the Olympic Games.