A massive rescue and recovery operation is underway in Derna, the city hardest hit by the devastating floods. More than 11,000 people have now died. SUBSCRIBE to ABC News on YouTube: bit.ly/2vZb6yP Latest updates: abcnews.go.com Watch FULL EPISODES on Hulu: abcn.ws/3bzvQQn #news #libya #flood #derna #abcnews