According to the Royal Navy, up to half a million people are currently waiting along the Libyan coast to try to cross the Mediterranean.
This weekend alone, European ships rescued nearly 6,000 men, women and children drifting at sea.
In Italy, where most migrants land, three northern regions warned on Sunday that they would not take in any more migrants.
Date: 14.06.2015, Euronews
Migrants refuse to go away as French police prevent them crossing the Italian frontier / I migranti si rifiutano di andare via mentre la polizia francese impedisce loro di attraversare la frontiera italiana / Les migrants refusent de partir car la police française les empêche de traverser la frontière italienne
A stand-off continued on Sunday between French police and African migrants trying to cross over from the northern Italian coastal town of Ventimille.
The migrants were refusing to disperse opting to camp out on the nearby rocks. Some local people were giving them food and water.
The French authorities have been preventing them from crossing the frontier for the past two days, with the confrontation breaking out into occasional scuffles with police.
Italy is having to cope with a huge influx of migrants crossing over from North Africa.