A Libyan rebels security forces member raises his rifle as tens of thousands of Libyans celebrate what the rebels claim to be the first uprising in Tripoli against the Kadhafi's regime on August 21, 2011 at freedom square in Benghazi, Libya.(credit: GIANLUIGI GUERCIA/AFP/Getty Images)
NBC News reporter Richard Engle is reporting live in Tripoli. He spends a fair amount of his time on-air ducking fire. Watch the video.