[A boy walks behind a banner in a makeshift refugee camp at the northern Greek border point of Idomeni, Greece, Friday, April 1, 2016. More than 50,000 refugees and migrants have been stranded in Greece after Balkan countries closed their borders to the massive flow of refugees pouring into Europe. (AP Photo/Darko Vojinovic)]ATHENS, Greece (AP) — Greece is pressing ahead with plans to start deporting migrants and refugees back to Turkey next week, despite mounting concern from the United Nations and human rights organizations that Syrians could be denied proper protection while some are allegedly even being forced back into their war-torn country.