A fire at the Savannah River National Laboratory in South Carolina prompted a state of emergency after radioactive materials were reported to have leaked without filtration. Originally built to produce plutonium and tritium for US nuclear weapons, the Savannah River complex continues to support the nation's nuclear capabilities.

A fire at the Savannah River National Laboratory in South Carolina prompted a state of emergency after radioactive materials were reported to have leaked without filtration. Originally built to produce plutonium and tritium for US nuclear weapons, the Savannah River complex continues to support the nation's nuclear capabilities.