Rescuers draw water at a coal mine in Madixiang Community of Yangquan, north China's Shanxi Province, Feb. 19, 2013. Six men are still trapped underground hours after a coal mine in Yangquan flooded at 4 a.m. Tuesday. [Photo/Xinhua]

Rescuers lay the suction pipe at a coal mine in Madixiang Community of Yangquan, north China's Shanxi Province, Feb. 19, 2013. Six people have been trapped underground since a coal mine in Yangquan City was flooded at about 4 a.m. Tuesday, when 12 people were conducting illegal mining operations, the local government said. [Photo/Xinhua]

A rescuer lays the suction pipe at a coal mine in Madixiang Community of Yangquan, north China's Shanxi Province, Feb. 19, 2013. Six people have been trapped underground since a coal mine in Yangquan City was flooded at about 4 a.m. Tuesday, when 12 people were conducting illegal mining operations, the local government said.[Photo/Xinhua]

Rescuers wait at a coal mine in Madixiang Community of Yangquan, north China's Shanxi Province, Feb. 19, 2013. Six people have been trapped underground since a coal mine in Yangquan City was flooded at about 4 a.m. Tuesday, when 12 people were conducting illegal mining operations, the local government said.[Photo/Xinhua]

Rescuers lay the suction pipe at a coal mine in Madixiang Community of Yangquan, north China's Shanxi Province, Feb. 19, 2013. Six people have been trapped underground since a coal mine in Yangquan City was flooded at about 4 a.m. Tuesday, when 12 people were conducting illegal mining operations, the local government said.[Photo/Xinhua]