Hundreds missing as China ship sinks

The ship is floating upside down in a wide stretch of river - state media said rescuers tapping the hull had heard calls for help from inside.The boat, the Eastern Star, reportedly sent no emergency signal.Media reports say the alarm was raised by several people who had swum to shore and alerted the police.Most of those on board were tourists aged around 50 to 80 travelling from the eastern city of Nanjing to Chongqing in the south-west - a journey of at least 1,500km (930 miles).