A Chinese marine surveillance ship cruises near the disputed islands known as Senkaku islands Japanese and Diaoyu in Chinese in the East China Sea, October 20, 2012. Four Chinese government ships were... more 

A Chinese marine surveillance ship cruises near the disputed islands known as Senkaku islands Japanese and Diaoyu in Chinese in the East China Sea, October 20, 2012. Four Chinese government ships were sailing in the territorial waters of disputed Tokyo-controlled islands on Tuesday, the coastguard said, the day after Japan's premier promised to beef up security less