A child sits behind a fence as refugees …A child sits behind a fence as refugees and migrants wait for a train heading to Serbia near the Macedonian-Greek border on September 25, 2015. European Union leaders hold an emergency migration summit on September 23 amid a growing east-west split after ministers forced through a controversial deal to relocate 120,000 refugees. AFP PHOTO / ARMEND NIMANIARMEND NIMANI/AFP/Getty Images
