Philippines accuses China of obstructing resupply mission in South China Sea

Tensions escalate in the South China Sea as the Philippines accuses China of obstructing a military resupply mission to Second Thomas Shoal on September 24, 2026, marking the first such disruption since a July 2024 provisional agreement. This follows a September 18, 2026 collision between a Chinese Coast Guard vessel and a Philippine fisheries ship. While Manila denounces the dangerous maneuvers, Beijing blames the Philippines for ignoring warnings, drawing diplomatic condemnation from the United States.

Obstruction of the September 24 mission

• ▪The Philippine Coast Guard accused the China Coast Guard and the People's Liberation Army Navy of obstructing a resupply mission to Second Thomas Shoal on September 24, 2026.
• ▪The September 24, 2026 resupply mission to a World War II-era warship grounded in 1999 at Second Thomas Shoal was not completed due to dangerous maneuvers by Chinese vessels

Impact on the July 2024 agreement

• ▪Prior to a September 24, 2026 obstruction of a resupply mission to Second Thomas Shoal, a Philippine official reported that 15 rotation and resupply missions had been successfully completed without incident under the July 2024 agreement
• ▪The September 24, 2026 incident marks the first publicly known obstruction of a Philippine supply mission since Manila and Beijing forged a provisional agreement in July 2024.

Dispute over the grounded vessel

• ▪The Philippines maintains troops on a World War II-era vessel deliberately grounded in 1999 at Second Thomas Shoal to assert its territorial claims against China.
• ▪China opposes the continuing presence of the Philippine vessel deliberately grounded in 1999 at Second Thomas Shoal and has repeatedly called for its removal

The September 18 collision

• ▪Philippine Coast Guard spokesperson Jay Tarriela stated that the Chinese vessel deliberately rammed the BRP Datu Magat Salamat on September 18, 2026 after twice cutting across its stern.
• ▪A Chinese Coast Guard vessel collided with the Philippine Bureau of Fisheries and Aquatic Resources vessel BRP Datu Magat Salamat on September 18, 2026, 54 nautical miles off Palawan while distributing fuel to fishermen.
• ▪Chinese Coast Guard spokesperson Jiang Lue disputed Manila's account of the September 18, 2026 collision, claiming the Philippine vessel intentionally adjusted course and accelerated to cut across the Chinese ship's bow

Diplomatic reaction to the collision

• ▪U.S. Ambassador to the Philippines Lee Lipton strongly condemned the China Coast Guard's deliberate ramming of the Philippine vessel on September 18, 2026.
• ▪The Chinese Embassy in Manila responded to condemnation from U.S. Ambassador Lee Lipton by accusing the United States of backing Philippine infringement and provocations in the South China Sea

Past maritime confrontations

• ▪In July 2026, Manila accused the China Coast Guard of firing water cannons at Scarborough Shoal and striking a Philippine Navy staff member with a wooden baton at Second Thomas Shoal.
• ▪Two Philippine Coast Guard ships were reportedly surrounded by Chinese vessels in a tense standoff in the South China Sea on March 24, 2025.

Debatable claims

• ▪China's maritime actions at Second Thomas Shoal violate international law
• ▪The July 2024 provisional agreement between Manila and Beijing has failed to secure peace
• ▪The Philippines should maintain its military outpost at Second Thomas Shoal