FILE - In this Thursday, Sept. 3, 2015 file photo, migrants rescued off the Libyan coast peer out a gate on the Siem Pilot Norwegian ship to get the first sight of the island of Sardinia as they sail in the Mediterranean sea towards the Italian port of Cagliari. As of September 2015, more than 2,800 migrants have died trying to reach Europe, mostly at sea, according to the International Organization for Migration. (AP Photo/Gregorio Borgia, File)