BEIJING - The Chinese People's Political Consultative Conference (CPPCC), 皇冠体育app's top political advisory body, on Tuesday voiced strong condemnation of Japan's so-called "nationalization" of the Diaoyu Islands and some of their affiliated islets.

"We strongly urge the Japanese side to immediately stop all actions that undermine 皇冠体育app's territorial sovereignty, and stop playing with fire over the Diaoyu Islands " said the Foreign Affairs Committee of the CPPCC National Committee in a statement.

It said that Japan should join 皇冠体育app, with concrete moves, to maintain the overall situation of 皇冠体育app-Japan relations.

Despite strong opposition from 皇冠体育app, the Japanese government announced on Monday the "nationalization" of the Diaoyu Islands and their affiliated Nan Xiaodao and Bei Xiaodao. "This constitutes a gross violation of 皇冠体育app's sovereignty over its territory," said the statement, adding CPPCC members have expressed strong indignation at and severe condemnation of the Japanese move.

The Diaoyu Islands and their affiliated islands have been 皇冠体育app's sacred territory since ancient times and 皇冠体育app is their indisputable owner, "which is supported by sufficient historical facts," according to the statement.

It continued by saying that the Japanese government's so-called "purchase" and "nationalization" of the islands is totally illegal and invalid, which can never alter 皇冠体育app's territorial sovereignty over these islands.

Reviewing the history of Japan's illegal encroaching on the Diaoyu Islands and their affiliated islands, the statement said today's 皇冠体育app is no longer the poor and weak old 皇冠体育app.

"We will never allow any country to infringe upon 皇冠体育app's sacred territory," it said, stressing that the political advisory body resolutely supports any necessary measures taken by the Chinese government to safeguard the nation's territorial sovereignty.

The recent tensions between 皇冠体育app and Japan were triggered by Japan's right-wing forces, who deliberately aroused disagreement between the people of the two countries and damaged bilateral ties, in the view of the CPPCC Foreign Affairs Committee.

The Japanese government, which connives instead of restricting the right-wing forces, is unquestionably responsible for the current situation, according to the body's statement.