South Korean coastguard "killed by Chinese fisherman" SEOUL | Sun Dec 11, 2011 9:52pm EST (Reuters) - A South Korean coastguard was stabbed to death by a Chinese fisherman Monday in an operation to apprehend a Chinese vessel operating illegally near South Korean waters, a South Korean official said. Two South Koreans were stabbed in the operation in the Yellow Sea off the west coast near the border with North Korea, the coastguard said. Chinese fishing boats are frequently caught fishing in South Korean waters, sometimes leading to violent clashes with South Korean maritime police. "One officer is dead. There...