Key facts
- A leak of white phosphorus occurred at the K-55 US military base in Pyeongtaek, South Korea.
- South Korea issued an evacuation advisory for residents near the base.
- White phosphorus is a highly toxic substance that can ignite on contact with oxygen.
- The US military confirmed the leak report and is investigating the details.
A leak of white phosphorus occurred inside the Osan Air Base in South Korea on Tuesday, prompting safety officials to issue an evacuation advisory for nearby residents. The highly toxic substance, often used in weapons, can ignite on contact with oxygen, according to the World Health Organization. The incident was reported at approximately 5:07 PM on the 28th at the K-55 US military base in Pyeongtaek. The Pyeongtaek city government sent out an emergency text message advising residents to evacuate to safe areas to avoid skin exposure. Military officials confirmed the report of a leak but stated that the exact details were still being investigated.