Media playback is unsupported on your device

UNHCR: Syria 'biggest displacement crisis of all time'

3 September 2013 Last updated at 07:19 BST

More than two million Syrians are now refugees, with the total going up by half a million in the past three months, the United Nations has said.

More than 700,000 have fled to Lebanon, and more Syrians are now displaced than any other nationality.

The UN High Commissioner for Refugees, Antonio Guterres, told the's BBC Imogen Foulkes: "It took two years to reach the first million refugees. It took six months for the second million to be reached.

"It means things are accelerating in a way that represents a dramatic humanitarian problem."

Copyright © 2015 BBC. The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.