More than 4 million refugees have now fled Syria, UN says
More than 4 million Syrians have fled abroad since the 2011 outbreak of civil war, the largest number from any crisis in almost 25 years, the United Nations said Thursday.

More than 4 million Syrians have fled abroad since the 2011 outbreak of civil war, the largest number from any crisis in almost 25 years, the United Nations said Thursday.