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TOPSHOT - Migrants and refugees pull down the fence during clashes with Macedonian soldiers for the reopening of the border near their makeshift camp in the northern Greek border village of Idomeni, on April 10, 2016. Dozens of people were hurt when police fired tear gas on a group of migrants as they tried to break through a fence on the Greece-Macedonia border, the medical charity Doctors without Borders (MSF) said. A plan to send back migrants from Greece to Turkey sparked demonstrations by local residents in both countries days before the deal brokered by the European Union is set to be implemented. / AFP / BULENT KILIC (Photo credit should read BULENT KILIC/AFP via Getty Images)

TOPSHOT - Migrants and refugees pull down the fence during clashes with Macedonian soldiers for the reopening of the border near their makeshift camp in the northern Greek border village of Idomeni, on April 10, 2016. 
Dozens of people were hurt when police fired tear gas on a group of migrants as they tried to break through a fence on the Greece-Macedonia border, the medical charity Doctors without Borders (MSF) said. A plan to send back migrants from Greece to Turkey sparked demonstrations by local residents in both countries days before the deal brokered by the European Union is set to be implemented.  / AFP / BULENT KILIC        (Photo credit should read BULENT KILIC/AFP via Getty Images)