More than two million refugees have fled over borders to escape the fighting in Syria, according to new figures from the UN's refugee agency.
The vast majority - around 1.8 million - have left in the last year of the 30-month conflict, suggesting that the flow is increasing.
UNHCR also estimates that the number of people displaced within Syria's borders has swelled to 4.25 million.
More top news
A hacker group who claimed to be behind a cyber attack on Sony Pictures have posted a message online apparently mocking the FBI.
The returns of Benedict Cumberbatch's detective and the X Factor judge were among 2014's most tweeted TV moments in a billion conversations.
A family has issued an appeal to help find their missing pet turkey - in case he gets gobbled up as someone's Christmas dinner.