Premiers from the world's leading economic powers will renew pressure on Russia to act over the crisis in Ukraine at a summit in Brussels.
Leaders of the G7 group of economic powers will also try to thrash out the outline of an agreement over tackling the threat from terror posed by the Syrian conflict.
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A High Court judge ruled he was entitled to "more than nominal" damages from police over a wrongful arrest he says destroyed his career.
The ex-Holby City star, who had been visiting Barcelona, detailed the events of the attack on Twitter as they unfolded.
Searches are continuing for victims, with around 600 people still missing and 3,000 left homeless after the disaster.