Japan's Coast Guard said on Monday two Chinese marine surveillance ships entered what Japan considers its territorial waters near disputed islands in the East China Sea, in a move seen escalating tensions further between the two countries.
Sino-Japanese relations deteriorated sharply after Japan earlier this month bought the group of islands, called Senkaku in Japan and Diaoyu in China and claimed by both countries.
Footage of Chinese protesters surrounding the US Ambassador to China's car in Beijing has emerged, filmed by the dissident artist Ai Weiwei.
Anti-Japan protests reignited across China today, the sensitive anniversary marking Toyko's occupation of the country.
China moved to clamp down on anti-Japan protests as a number of Japanese firms announced factory shutdowns and urged workers to stay indoors