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A convoy of United Nations and Red Crescent vehicles wait to evacuate Syrian civilians (background) during an operation in the besieged Syrian city of Homs, on February 9, 2014. Three days of humanitarian access to Homs, parts of which have been under siege for nearly two years, began on January 31 under a UN-mediated deal between the Syrian regime and rebels. AFP PHOTO / SAM SKAINESAM SKAINE/AFP/Getty Images
A convoy of United Nations and Red Crescent vehicles wait to evacuate Syrian civilians (background) during an operation in the besieged Syrian city of Homs, on February 9, 2014. Three days of humanitarian access to Homs, parts of which have been under siege for nearly two years, began on January 31 under a UN-mediated deal between the Syrian regime and rebels. AFP PHOTO / SAM SKAINESAM SKAINE/AFP/Getty Images

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WFP: Work in Syria has been difficult

CNN's Isha Sesay speaks to the World Food Programme's Matthew Hollingworth about their efforts in Syria to aid civilians.

WFP: Work in Syria has been difficult

CNN's Isha Sesay speaks to the World Food Programme's Matthew Hollingworth about their efforts in Syria to aid civilians.