China plants flag in south sea amid disputes Thu Aug 26, 2010 7:27am GMT BEIJING (Reuters) - China said on Thursday it had used a small, manned submarine to plant the national flag deep beneath the South China Sea, where Beijing has tussled with Washington and Southeast Asian nations over territorial disputes. The submarine achieved the feat during 17 dives from May to July, when it went as deep as 3,759 metres (12,330 ft) below the South China Sea, the official China News Service said, citing the Ministry of Science and Technology and State Oceanic Administration. Chinese news reports did...