Traffickers and armed groups have exploited the country's security vacuum, turning it into a hellhole for migrants.
Aid agencies say more than 110 migrants were missing and scores feared drowned after their overloaded boat sank off the Libyan coast.
France and Italy plan to offer guard boats to Libya to prevent migrants from crossing the Mediterranean into the European Union.
Christopher Paul Hasson espoused extremist views for years. Court papers detail a draft email in which Hasson wrote he was "dreaming of a way to kill almost every last person on the earth."
In the same email, Hasson described an "in
The UN's refugee agency forecasts around 80,000 migrants and refugees will enter Europe by sea in 2018 if current trends continue.
Italy's anti-immigrant Interior Minister Matteo Salvini had earlier urged Malta to open one of its ports to a Dutch-flagged ship run by the German charity Mission Lifeline and then seize the ship and its crew.
Vessels belonging to the Italian police and coast guard, the EU's anti-trafficking mission Sophia and Proactiva launched 11 separate rescue operations to save people on seven dinghies, three small wooden boats and one large one.
The International Organization for Migration (IOM) has in recent months accelerated a "voluntary returns" programme to repatriate migrants from a number of countries. Nigeria now joins Niger in organising bilateral returns.
The 9.8-tonne fishing boat had 22 people aboard when it collided with a tanker off South Korea's west coast. No casualties or injuries were reported among those on board the tanker.
At least five migrants died off the Libyan coast after their boat capsized in a rescue operation. A German NGO and the Libyan coast guard are arguing over the deaths.
Those rescued were originally from Sub-Saharan Africa, Pakistan, Libya, Bangladesh, Algeria, Egypt, Nepal, Morocco, Sri Lanka, Yemen, Syria, Jordan and Lebanon.
The bodies of two out of 10 crew members from the dry cargo ship that sank in the Black Sea on Tuesday were found by Turkey's coast guard.
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