Fourteen people have died after their wooden boat sank on its way to the Greek island of Lesbos.
27 others were rescued by Turkish authorities.
It comes as the leaders of EU countries and 35 African nations meet in Malta today for the latest round of talks on tackling Europe's migration crisis.
Thousands of refugees continue to make their way towards western Europe.
Yesterday - ten-thousand crossed the border from Macedonia into Serbia.
Seda Kuzucu from the UN's refugee agency is concerned about the falling temperatures: