South China Sea: new collision rekindles tensions between China and the Philippines

Competing claims and sequence of events

A new South China Sea collision on October 12, 2025 reignited tensions between China and the Philippines. Manila says a Chinese Coast Guard vessel first used a water cannon on the BRP Datu Pagbuaya—a fisheries bureau ship—then rammed its stern near Thitu Island in the Spratly Islands, causing minor damage and no injuries. Philippine officials denounced “aggressive harassment,” and the National Maritime Council vowed a diplomatic protest. Beijing counters that a Philippine government vessel ignored repeated warnings and dangerously closed on CCG 21559 near Sandy Cay, making Manila “entirely responsible.”

Escalation risk in disputed waters

The incident follows a September water-cannon injury to a Filipino crewman and continued friction around Scarborough Shoal, seized by China in 2012. Manila also protested a proposed Chinese marine reserve there. Despite an international ruling rejecting Beijing’s expansive claims, Chinese patrols persist across these disputed waters, where control of features like Thitu and Sandy Cay carries outsized strategic weight for law enforcement, fishing support, and presence.

Trade stakes and outlook

With over 60% of global maritime trade transiting the South China Sea, each confrontation risks miscalculation. The Philippines Coast Guard insists it will not be intimidated, while China maintains Manila provoked the clash. Absent de-escalation and adherence to maritime law, recurring stand-offs around the Spratly Islands and Scarborough Shoal may harden positions, complicating fisheries aid missions and raising the chance of a more serious maritime incident.

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