British newspaper The Daily Telegraph's website on Wednesday published an article written by the Chinese ambassador to Britain that states the "purchase" of the Diaoyu Islands by the Japanese government is invalid, and nothing can change the fact the islands are the territory of China.

The opinion piece, written by Ambassador Liu Xiaoming argues that the Cairo Declaration, published on Nov 27, 1943, stated in explicit terms: "All the territories Japan has stolen from the Chinese, such as Manchuria, Taiwan and the Pescadores, shall be restored to the Republic of China. Japan will also be expelled from all other territories she has taken by violence and greed".

The declaration was further supported by the Potsdam Proclamation, released on July 26, 1945.