British Prime Minister David Cameron (front row center) walks with Jordanian Foreign Minister Nasser Judeh (second from right) and Andrew Harper (right), U.N. High Commissioner for Refugees (UNHCR) representative to Jordan, during his visit to the Zaatari refugee camp in Mafraq, Jordan, on Wednesday, Nov. 7, 2012. (AP Photo)
Lakhdar Brahimi (left), the U.N.-Arab League envoy to Syria, speaks in Mafraq, Jordan, on Tuesday as Andrew Harper, the UNHCR representative to Jordan, listens during a visit to the Zaatari refugee camp for Syrians who fled the civil war. (Associated Press)
A U.S. soldier checks the damage at offices of the U.N.'s refugee agency, the UNHCR, caused by a suicide bomber in Kandahar, Afghanistan, on Oct. 31, 2011. The attack killed four people and severely damaged the U.N. agency's building, Afghan officials said. (Associated Press)
Colombians talk with a representative of the U.N. High Commissioner for Refugees (center) in Barranca, Ecuador, in August 2008. An estimated 150,000 Colombian refugees live in Ecuador, according to the United Nations. (Associated Press)