Rough seas, winter storms and long, dark nights make this time of year the most dangerous for migrants attempting to reach Europe from North Africa. But many people are still attempting the perilous crossing, often in small dinghies. Last week, 100 people drowned after their boat sank off the coast of Libya. BBC producer Alva White was on secondment to Medecins Sans Frontieres (MSF), and filmed her experiences for us. This is her story of the crisis.
Europe migrant crisis
Ed Taylor, on board the MSF rescue ship Aquarius, told the BBC the situation in the Mediterranean was "horrific".
Care4Calais says migrant camp Grande-Synthe, near Dunkirk, is in an 'inhumane and unacceptable' condition.
Dozens of migrants die in the extreme cold weather sweeping across Europe.
The BBC's Howard Johnson made a video diary of his journey to migrant camps in northern Greece.