A raft off the coast of Libya carrying migrants trying to reach Europe
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Patrolling the Mediterranean for migrant traffickers

22 October 2015 Last updated at 18:43 BST

Of all the routes migrants have been taking to enter Europe this year the most dangerous by far is the voyage across the central Mediterranean Sea.

Nearly 3,000 people have died in the waters between North Africa and Italy.

This month the EU launched a new military effort to combat people-smuggling along the route.

Ed Thomas has joined the Italian Navy on one of its patrols.