Tensions between China and the Philippines escalated on Monday with a clash between their naval personnel near a disputed shoal in the South China Sea, marking the most serious encounter at sea between the two countries in several months. Despite this incident, Beijing’s ambassador to Manila affirmed that China’s commitment to finalizing a code of conduct (CoC) governing the contested waters with Southeast Asian nations remains unchanged.

The South China Sea, a strategically crucial global shipping route, has long been a flashpoint of competing sovereignty claims, particularly by China, which asserts control over nearly the entire area. This stance was challenged by an international tribunal ruling that invalidated China’s extensive claims, a decision Beijing has rejected. Southeast Asian members of the Association of Southeast Asian Nations (ASEAN), including the Philippines, have been engaged in ongoing negotiations with China to establish a CoC aimed at managing disputes and reducing the risk of conflict, although some analysts question whether the eventual agreement will be effective.

Chinese Ambassador Jing Quan downplayed concerns that the recent maritime clash could hinder progress on the CoC, telling reporters that the incident would not affect China’s intention to conclude the agreement by the end of the year. He emphasized that the CoC is intended as a set of rules for managing interactions among claimant countries and does not directly resolve bilateral territorial disputes between China and the Philippines.

Following the clash, China summoned the Philippine envoy in Beijing to formally protest the incident. The escalation comes as Manila is hosting ASEAN foreign ministers, joined by representatives from countries including the United States, China, Japan, and Russia, for several days of diplomatic discussions.

Chinese Foreign Minister Wang Yi’s arrival in Manila coincided with the ASEAN meetings. Speaking in the capital, Wang stressed that the South China Sea belongs to all regional nations and that disputes in the area should not impede relations between China and ASEAN member states.

Thailand’s Foreign Minister Sihasak Phuangketkeow, in an interview, described the CoC as a potential stabilizing factor in the region but acknowledged the complexity of the broader territorial issues. He noted that resolving these disputes would require extensive diplomacy and dialogue but expressed hope that the code could contribute to easing tensions.

The developments reflect ongoing challenges in balancing national interests with regional stability in the South China Sea, where efforts to establish formalized rules of engagement continue amid persistent territorial rivalry.