Rescuers prepare to remove a bus out of the expressway after a crash which killed six people near the Hangzhou International Airport in Hangzhou, Zhejiang province, Dec 16, 2010. Six people were killed and a dozen injured Thursday when two buses collided in Hangzhou city, East China's Zhejiang Province. The two buses crashed near the toll gate on the expressway near the Hangzhou International Airport in Xiaoshan District at 6:15 pm, said district police. Officials said the accident occurred when a bus with no passengers skidded out of control and crashed into a bus filled with passengers, as one bus landed on top of the other. [Xinhua]