[Handout photo of migrants being rescued by the Italian Navy in the Mediterranean Sea]Fewer migrants are dying as they try to cross the Mediterranean Sea, which may reflect better policies for managing the flow of people, the International Organization for Migration (IOM) said on Tuesday. The toll included 13 in May, none of them occurring on the eastern Mediterranean route between Turkey and Greece, he said. "We attribute this drop in fatalities to the extremely sharp drop in arrivals from Turkey in Greece," Millman said.