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Philippines Accuses China of Cyanide Poisoning in South China Sea

Philippines Accuses China of Cyanide Poisoning in South China Sea

Thairath•International•6h ago

Reader Briefing

The Philippines has accused Chinese fishermen of using cyanide to poison marine resources in the disputed Spratly Islands in the South China Sea, raising environmental concerns and prompting diplomatic action.

  • •The Philippines government alleges Chinese fishermen are dumping cyanide in the Spratly Islands area of the South China Sea.
  • •The alleged poisoning is believed to be aimed at destroying fish populations and impacting the food supply for Filipino navy personnel.
  • •Philippine naval forces seized cyanide bottles and detected its use in the area, with potential damage to coral reefs and naval structures.
  • •This incident escalates tensions in the strategically important South China Sea and is a subject of a planned diplomatic protest.

Overview

  • •Philippine naval forces seized 10 bottles of cyanide from vessels originating from Chinese fishing boats during February, July, and October, 2025.
  • •The Philippine National Security Council (NSC) stated that the poisoning began in 2025 around 'Ayungin' Shoal, also known as Second Thomas Shoal.
  • •Cornelio Valencia, Deputy Director General of the NSC, stated that 'The use of cyanide in this area is an act of sabotage aimed at destroying fish populations and cutting off a key food source for Filipino sailors.'
  • •The use of cyanide poses risks to the health of Filipino military personnel through contact with contaminated water or consumption of toxic seafood, and can damage coral reefs.
  • •The National Security Council (NSC) warned that coral reef destruction from toxins could affect the integrity of the BRP Sierra Madre, a World War II-era ship grounded in the area since 1999.
  • •The Philippines previously experienced a confrontation in June 2024 when Chinese Coast Guard personnel boarded a Philippine naval vessel.
  • •The NSC is preparing to submit a report to the Philippine Department of Foreign Affairs next week, which may lead to a diplomatic protest against Beijing.
  • •The Philippine government has ordered the navy and coast guard to increase patrols in the area to prevent further environmental damage.

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Key Quotes

Cornelio Valencia
"The use of cyanide in this area is an act of sabotage aimed at destroying fish populations and cutting off a key food source for Filipino sailors."
การใช้ไซยาไนด์ในพื้นที่นี้ ถือเป็นการก่อวินาศกรรม ที่มีเป้าหมายทำลายประชากรปลา และตัดแหล่งอาหารสำคัญของทหารเรือฟิลิปปินส์

Key Entities

Place

Philippines(ฟิลิปปินส์)ℹ️
A Southeast Asian nation involved in territorial disputes in the South China Sea.
China / Beijing(จีน / ปักกิ่ง)ℹ️
A country accused of engaging in hostile actions in the South China Sea.
South China Sea(ทะเลจีนใต้)ℹ️
A disputed body of water that is a major global shipping route and seabed resource.
Spratly Islands(หมู่เกาะสแปรตลี)ℹ️
A group of islands in the South China Sea that is a focal point of territorial disputes.
Ayungin Shoal(สันดอน "อายุงกิน")ℹ️
The specific location where the Philippine National Security Council (NSC) stated the cyanide poisoning began.
Second Thomas Shoalℹ️
An alternative name for Ayungin Shoal, the site of alleged cyanide poisoning in the South China Sea.

Organization

Philippine National Security Council (NSC)(สภาความมั่นคงแห่งชาติฟิลิปปินส์ (NSC))
The Philippine government body that reported the timeline and nature of the cyanide poisoning incident.
Philippine Navy(กองทัพเรือฟิลิปปินส์)ℹ️
The naval branch responsible for maritime security and a victim of the alleged cyanide poisoning.
Chinese Coast Guard(หน่วยยามฝั่งจีน)ℹ️
A maritime law enforcement agency of China previously involved in a confrontation with the Philippine navy.

Person

Cornelio Valencia(คอร์เนลิโอ วาเลนเซีย)
Deputy Director General of the Philippine National Security Council (NSC) who described the cyanide use as sabotage.
Rear Admiral Roy Vincent Trinidad(พลเรือตรี รอย วินเซนต์ ตรินิแดด)
Spokesperson for the Philippine Navy who confirmed the seizure of cyanide bottles.