. >> matthew hollingworth: these are areas where people have nothing. they really do have nothing. >> pelley: matthew hollingworth leads the world food programme mission inside syria. in february of 2014, he led an armored column into the city of homs, which had been sealed off by the dictatorship for 600 days. >> hollingworth: people were skin and bones. i could lift a grown man because he'd got to about 40 kilos. >> pelley: 85 pounds or so? >> hollingworth: exactly. >> pelley: in the city of homs, months of negotiations had opened a three-day cease-fire to distribute food. but it turned out the starving residents wanted something else first. >> hollingworth: the people of old homs asked us to evacuate women, children, and the sick before any assistance came in. so we went through the last checkpoint, and there we could see in front of us 80 or 90 children, women, and sick and injured people waiting to come out. and then the worst thing happened-- the sniping started. >> pelley: people were shooting at you. >> hollingworth: people started to shoot at u