Anti-Chinese riots in Vietnam this week highlight growing tension between China, Asia's biggest economy, and some of its neighbors.
Analysts say geopolitical tensions are a key risk to Asia's economic and political stability and the year so far has seen strained relations between China and Japan as well as its regional neighbors in Southeast Asia.
Here's a timeline of recent developments highlighting the friction.
May 16: China's foreign minister condemns Vietnam in an urgent phone call with the country's deputy prime minister over this week's violent anti-Chinese protests, the official Chinese Xinhua news agency reports.
May 15: Up to 21 people are killed in Vietnam, according to reports. A huge foreign steel project meanwhile is set ablaze as anti-China riots spread in the Southeast Asian state.
May 15: Japan's Prime Minister Shinzo Abe calls for a new interpretation of the country's pacifist constitution that could lead the way for military action overseas. His call followed a report by a panel of advisors recommending changes to defense laws. China criticizes the move.
May 14: Thousands of Vietnamese set fire to foreign factories and rampaged in industrial zones in the south of the country in reaction to Chinese oil drilling in a part of the South China Sea claimed by Vietnam.
Read MoreReal damage impact of Vietnam riots
May 8: China's vice foreign minister says he believes China and Vietnam can solve their disputes peacefully, adding that China has to defend its territory.
May 7: Vietnam says a Chinese vessel intentionally rammed two of its ships at the weekend in a part of the disputed South China Sea where China has deployed a giant oil rig.
May 7: China demands that the Philippines release a Chinese fishing boat and its crew seized in the South China Sea.
April 28: The U.S. and the Philippines sign a 10-year Enhanced Defense Cooperation Agreement to allow U.S. forces wider access to Philippine bases and to position ships, aircraft, equipment and troops for maritime security.