NANJING, Dec. 13(Xinhuanet)-- Sirens wailed at 10:00 Monday morning in this capital city of east China's Jiangsu Province to commenmorate the 67th anniversary of the Nanjing Massacre.

The atrocity was perpetrated by Japanese invaders on December 13, 1937 during World War II. Approximately 300,000 Chinese were slaughtered in the city.

More than 2,500 people, including locals from all walks of life,compatriots from Hong Kong and Taiwan Province and some foreigners,gathered at the Nanjing museum commemorating victims of the Nanjing Massacre Monday morning for a mourning ceremony.

Lu Jun, vice chairman of the provincial committee of the Chinese People's Political Consultative Conference, addressed the memorial rally.

On behalf of Nanjing's citizens, Nanjing University student Chen Li read the Nanjing Peace Manifesto, which recalls the history about the astrocity and expresses the citizens' determination to make their own contributions to the world peace.

Artists from Nanjing and Japan sang songs praying for peace at the gathering.