The number of migrants arriving on the Greek islands near Turkey has surged to about 7,000 daily, migration experts say.
Germany has had almost 500 attacks on asylum hostels so far this year - three times more than in 2014.
The Tunisian National Dialogue Quartet is awarded the Nobel Peace Prize for its role in helping the country's transition to democracy.
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Chancellor Merkel vents frustration about migrant crisis
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Hollande and Merkel challenged after unity call
Syrians in Turkey are risking their lives to travel across the Mediterranean in the hope of a better future - but can the EU do anything to stop them?
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