A number of people have died and others injured after a serious pile-up on the Xuanwu Expressway in East China's Anhui province. The cause and the exact number of casualties from the accident, which happened at 6 am on Jan 16, have not been confirmed. A total of 2.8 billion trips are expected to be made by road during the Spring Festival traffic peak period between Jan 8 and Feb 16, 2012. [Photo/CFP]