Stock Photo - Polish Prime Minister Ewa Kopacz (left), Czech Prime Minister Bohuslav Sobotka (back in the middle), Hungarian Prime Minister Viktor Orban (second from right - speaking), and Slovak Prime Minister Robert Fico (backs) speak at the round table during the Visegrad Group (Czech Republic, Slovakia, Hungary, Poland) summit on migration in Prague, on Friday, Sept. 4, 2015. (CTK Photo/Katerina Sulova)

Stock Photo: Polish Prime Minister Ewa Kopacz (left), Czech Prime Minister Bohuslav Sobotka (back in the middle), Hungarian Prime Minister Viktor Orban (second from right -.

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