400 Plus missing in Yangtze River cruise ship disaster

In excess of   400 passengers are missing after their cruiser sank in China. The Eastern Star was carrying 458, mostly elderly tourists on the Yangtze river in Hubei Province.Rescuers have heard some people crying for help from inside the submerged ship.The captain and chief engineer, who managed to get out, are being questioned by police.Al Jazeera's Rob McBride reports from Hong Kong.