Starving and surrounded: El Fashir residents plead for aid

Hundreds of thousands of people are trapped in the besieged Sudanese city of El Fashir, cut off by 19 miles of earthen berms built by rebel forces now attacking the town. Katharine Houreld and her Washington Post colleagues have been speaking with some of those behind the dirt walls. She tells The World's Marco Werman what she learned.

Note: this conversation contains some disturbing accounts of violence.