The explosion was reported in Manchester, a little more than 60 miles (97 kilometers) south of Atlanta, police said. Authorities were trying to evacuate the area in a half-mile (0.8-kilometer) radius surrounding the plant, which includes houses and a company that makes medical products.
Manchester Police Lt. Richard Dunn said he did not know the extent of the injuries.
Ken Rauch, human resources manager at G&S Metal Consultants, the plant's parent company in Wabash, Indiana, said that he and other executives were about to get on a plane to get to the plant. He gave no other information.
The head of the British army, Nick Carter, said that Moscow was capable of taking "hostile actions" against the United Kingdom and NATO much earlier than expected