A site area emergency was declared at the Savannah River National Laboratory near Aiken, South Carolina, on Wednesday after a fire and an unfiltered ground-level radiological release were reported at 5:39 p.m.
The Savannah River Site, a 310-square-mile complex established in the 1950s, produced plutonium and tritium for nuclear weapons during the Cold War. Its current work focuses on environmental cleanup and nuclear materials management.
Site officials confirmed the fire had been extinguished and reported no contamination beyond the affected facility or consequences outside the site's boundaries.
Authorities have yet to establish the cause of the fire, identify the nature and quantity of the released material, or confirm whether anyone was injured.
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Energy Department lab fire sparks nuclear scare after 'radiological release' at SC facility https://t.co/wdMgn4EylX https://t.co/x8eDJMh0IE
— New York Post (@nypost) October 29, 2026
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