August 22, 2014 -- Updated 1341 GMT (2141 HKT) Edited by Bryony Jones in London

Ukrainian official accuses Russia of directly invading the country under the guise of humanitarian aid after part of a convoy crossed the border.

Tackling ISIS will mean taking on seasoned fighters with serious weapons and funding. But Tim Lister says there are signs the group is over-reaching. FULL STORY | WHO'S DOING WHAT?

MH17 AFTERMATH
One of the first observers at the MH17 crash site in Ukraine describes the harrowing scene.
ISIS HOSTAGES
James Foley was killed to send a message to the West. But he is not the only Westerner held by ISIS.
ICE BUCKET CHALLENGE
Four U.S. firemen hurt after social media challenge for charity goes drastically wrong.
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