But since sea conditions were forecast to turn bad on Saturday, "it's even more criminal for smugglers to let them leave,'' said Di Giacomo of the IOM.
Dozens saved by Italy from migrant shipwrecks; some, clinging to rocks, plucked to safety by copters
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But of that number “only a minimum part want to leave and only a minimum part succeeds in leaving" for Europe, Di Giacomo said.
Italy estimates 680K migrants might cross sea from Libya
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