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FILE - In this Aug. 20, 2016 file picture a woman from Nigeria and her baby are helped by members of Proactiva Open Arms NGO, before transferring them to an Italian navy ship, during a rescue operation at the Mediterranean sea, about 17 miles north of Sabratah, Libya. New and more dangerous smuggling practices and attempts to reach Europe by riskier routes have led to a spike in the number of migrants dying as they attempt to cross the Mediterranean, according to a new analysis released Tuesday Aug. 23, 2016. (AP Photo/Emilio Morenatti,file)

FILE - In this Aug. 20, 2016 file picture a woman from Nigeria and her baby are helped by members of Proactiva Open Arms NGO, before transferring them to an Italian navy ship, during a rescue operation at the Mediterranean sea, about 17 miles north of Sabratah, Libya. New and more dangerous smuggling practices and attempts to reach Europe by riskier routes have led to a spike in the number of migrants dying as they attempt to cross the Mediterranean, according to a new analysis released Tuesday Aug. 23, 2016. (AP Photo/Emilio Morenatti,file)