Chinese demonstrators clash with policemen during an anti-Japan protests outside the Japanese Embassy in Beijing Saturday, Sept. 15. Angry protesters staged anti-Japanese demonstrations in cities across China Saturday over Japan's control of disputed islands, with a protest in Beijing turning violent before being brought under control by police.

Demonstrators burn a crossed-out Japanese national flag during a protest in Xi'an, Shaanxi province, Sept. 15. Thousands of Chinese besieged the Japanese embassy in Beijing on Saturday, hurling rocks, eggs and bottles with protests reported in other major cities in China amid growing tension between Asia's two biggest economies over a group of disputed islands.

Protesters hold up a giant Chinese national flag during protests outside the Japanese embassy in Beijing, China, Sept. 15. Tensions between the two countries flared anew after the Japanese government bought the disputed islands from their private Japanese owners this week. The uninhabited islands, Senkaku in Japan and Diaoyu in China, claimed by both countries as well as Taiwan, have become a rallying point for nationalists on both sides.

Chinese protesters march with anti-Japan banners and Chinese national flags in Chongqing, China, Sept. 15, as they protest against Japan's "nationalizing" of the disputed Diaoyu Islands, also known as Senkaku Islands in Japan. The protest, along with a series of other demonstrations across China, came after Japan this week announced it had bought the islands.