Illegal migration is one of the world’s latest headaches.

The UN is doing everything to curb the menace and it has come out to say social media giants should join the fight by controlling their platforms.

On Friday, the U.N. migration agency called on social media giants to control their platforms, as according to the agency, the platforms are being used by smugglers to lure West African migrants to Libya where they face detention, torture and slavery.

The smugglers often use Facebook to reach would-be migrants with false promises, International Organization for Migration (IOM) spokesman, Leonard Doyle, told a briefing.

When migrants are tortured, video is also sometimes sent back to their families over WhatsApp, he said.

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"We think it’s time for some grown-up responsibility by the social media company…. their platforms are clearly having a very detrimental role on young vulnerable populations across West Africa," Doyle said.

Hundreds of thousands of migrants have attempted to cross the Mediterranean Sea to Europe since 2014 and many have died on their way. The influx has presented a political problem for European countries. Numbers of migrants entering Europe are down this year.

The IOM also said it was repatriating 4,000 migrants to Niger and 167 to Guinea from Libya under its voluntary repatriation programme which hopes to return home 15,000 by year-end.

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