Proactiva rescue operation pulls out a dead body from the sea Rescue workers aboard the Proactiva Open Arms vessel pull out a dead body from the Mediterranean Sea. So far this year, 50,872 migrants have crossed the Mediterranean to Europe -- less than half the number that made the treacherous journey during the same period of 2017, according to the UN migration agency. IMAGES*ATTN CLIENTS: CONTAINS IMAGES OF A DEAD BODY*