China and ASEAN tensions persist over South China Sea territorial claims
Tensions in the South China Sea remain high in 2026 as China and ASEAN claimants continue competing territorial disputes. China claims almost the entire region based on historical sovereignty and its nine-dash line, while a 2016 international tribunal ruled against China's claims and favored the Philippines. Multiple clashes occurred in July 2026 between Chinese and Philippine forces at Scarborough Shoal and Second Thomas Shoal. Key issues include China's use of water cannons and aggressive tactics against Philippine resupply missions, the deployment of advanced weapons like military lasers, and philosophical disagreements over a binding Code of Conduct to manage disputes. Negotiations on the Code of Conduct have stalled, with ASEAN divided internally over implementation mechanisms. The United States supports freedom of navigation in these critical shipping lanes and has bolstered military ties with the Philippines through joint drills and defense cooperation agreements. Risk of escalation remains real despite both sides expressing desire to avoid open conflict.
Key facts
- China and Philippines clashed three times in July 2026 at Scarborough Shoal and Second Thomas Shoal, triggering joint US-Philippines-Japan maritime drills
- 2016 international tribunal ruled against China's nine-dash line claim on 14 of 15 points, but China rejected the decision and has not complied
- China Coast Guard doubled patrols at Scarborough Shoal and nearly tripled patrols around Sabina Shoal in 2025
- Negotiations on ASEAN-China Code of Conduct have remained stalled since 2002 with fundamental disagreements over legal binding nature and enforcement
- Philippines holds 2026 ASEAN chairmanship and attempted to advance Code of Conduct negotiations but faced divisions within ASEAN member states
- At least two China Coast Guard personnel died in August 2026 collision near Scarborough Shoal, though Beijing has not officially acknowledged casualties
- China declared northern Scarborough Shoal a nature reserve in September 2026, which US State Department rejected as use of environmental pretexts for territorial claims
How different outlets framed it
Left-leaning coverage: Left-leaning sources frame the dispute as imperialism by both US and Chinese powers competing for hegemony in the Pacific. They argue US military support for the Philippines perpetuates American imperial dominance in Asia and that Washington uses the Philippines as a proxy to contain China's rise. Some emphasize that Philippines-US military cooperation reinforces dependency relationships rooted in colonial history.
Right-leaning coverage: Right-leaning sources emphasize China's illegal territorial claims, aggressive military tactics, and rejection of international law. They frame China's actions as destabilizing assertion of hegemony through coercion and militarization. These outlets support stronger US-Philippines alliance, view freedom of navigation operations as necessary deterrence, and characterize Chinese behavior as threatening to regional stability and global commerce.
Limits of this briefing
Coverage varies significantly by outlet political perspective, with minimal representation of perspectives from smaller ASEAN claimant states like Malaysia, Brunei, and Vietnam. Chinese state media claims about sovereignty and incident details differ substantially from Philippines and US accounts, making verification difficult on specific incident details.
Sources
- CNBC: China-Philippines tensions simmer after Beijing rebukes Manila over Seoul clash Centre
- Council on Foreign Relations: Territorial Disputes in the South China Sea Centre
- Al Jazeera: China and Philippines trade accusations after sailor injured at sea Centre
- World Socialist Web Site: As ASEAN meets, manufactured confrontations in the South China Sea Left
- CGTN: Explainer: Why China's claims on South China Sea are legitimate Right