The Guardian 24-hour picture news highlights (November 30, 2011) -- Chinese discharged soldiers tearfully bid farewell to their comrades-in-arms, Iranian protesters attack the British embassy, scavengers in Cambodia work through the night, former president of Côte d'Ivoire goes on trial in Netherlands, Cairo, Egypt casts votes in general election, reporters at the scene of a fire in Mong Kok, Hong Kong...