A fire at the Savannah River National Laboratory in South Carolina triggered a severe emergency at a nuclear site - on October 28, 2026 "The incident at the Savannah River site led to the declaration of a local emergency and an 'unfiltered ground-level radioactive release' occurred." Channel 12 news reported. The final official statement from the Savannah River sites said: Radiological surveys indicated no detectable levels of contamination. The Savannah River site is a major US Department of Energy facility spanning approximately 310 square miles. Historically, it produced plutonium-239 and tritium for US nuclear weapons. Today, its activities include nuclear waste management, materials research, environmental cleanup, and operations supporting the US nuclear deterrent.