fire at the American nuclear laboratory; A state of emergency has been declared A fire at the Savannah River National Laboratory, located at the US Department of Energy's massive nuclear complex in South Carolina, has forced officials to declare a state of emergency, stopping vehicles from entering the area and restricting air and train traffic. A fire at a nuclear laboratory in the US; a state of emergency was declared A fire at the Savannah River National Laboratory, located in the huge nuclear complex of the US Department of Energy in the state of South Carolina, forced officials to declare a state of emergency, stop the entry of vehicles into the area, and also limit the movement of air and trains. fire at the American nuclear laboratory; Emergency declaration A fire at the Savannah River National Laboratory, located at the massive US Department of Energy nuclear complex in South Carolina, forced officials to declare a state of emergency, stop vehicles entering the area and restrict air and rail traffic as well.