China will not tolerate any violations of its sovereignty, Vice Foreign Minister Zhang Zhijun told his Japanese counterpart today.
"China will never tolerate any unilateral actions by Japan that harm Chinese territorial sovereignty,"
Zhang told Japanese Vice Foreign Minister Chikao Kawai in Beijing, according to a statement posted on the Chinese Foreign Ministry's website.
"Japan must banish illusions, undertake searching reflection and use concrete actions to amend its errors, returning to the consensus and understandings reached between our two countries' leaders,"
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.
A number of Japanese firms have told me this morning that they will be reopening today after yesterday's anti-Japan protests in Beijing.
Japanese companies including Canon, Mitsubishi and Yamaha have suspended work at their factories in China as a safety precaution.
China's commerce ministry has called on Japan to take "complete responsibility" for any trade impact from a territorial dispute between the two countries over a string of islands it both claims.
Last week, Chinese Vice Minister of Commerce Jiang Zengwei said tensions between China and Japan are likely to harm trade ties between the two countries.
Chinese protests against Japan got ever more heated on Tuesday as demonstrators took to the streets outside the Japanese embassy in Beijing.
Anger over a row between the two countries about who owns a series of energy rich islands in the East China Sea was the cause of the unrest. But there was added poignancy on the anniversary of Japan's invasion of China back in the 1930s.
ITV News' China Correspondent Angus Walker reports:
More than 1000 people took to the streets of Beijing on the fourth days of protests, chanting and waving banners bearing anti-Japanese slogans to voice their anger over a territorial dispute with Japan.
The Japanese government has been urging China to do more to protect businesses after anti-Japan demonstrations took place across the country on the dispute over island ownership. Chief cabinet secretary Osamu Fujimura told reporters:
– Osamu Fujimura, Japan's chief cabinet secretary
Japanese companies play an important role in the Chinese economy and employment. We believe we should be calm and make rational judgments from a broad perspective.