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FILE - This is a Wednesday, Aug. 16, 2017 file photo of migrants sitting at the port of Tarifa, southern Spain, as they wait to be transported to a police station in Algeciras after being rescued in the Strait of Gibraltar. Increased controls on migration flows in Turkey and Libya, together with political and social instability in northern Morocco, are pushing record numbers of migrants and asylum-seekers through the hazardous Western Mediterranean passage into Europe. (AP Photo/ Marcos Moreno/ File)

FILE - This is a Wednesday, Aug. 16, 2017 file photo of migrants sitting at the port of Tarifa, southern Spain, as they wait to be transported to a police station in Algeciras after being rescued in the Strait of Gibraltar. Increased controls on migration flows in Turkey and Libya, together with political and social instability in northern Morocco, are pushing record numbers of migrants and asylum-seekers through the hazardous Western Mediterranean passage into Europe. (AP Photo/ Marcos Moreno/ File)

Libya in turmoil

Violence continues to rage against the Gaddafi regime