A small explosion and fire have been reported at the Hoover Dam in Nevada, local officials and witnesses say. The exact circumstances were not immediately known.
The incident happened just after 10 a.m. on Tuesday when visitors at the dam reported seeing an explosion, fire and a large plume of smoke at the base of the dam.
The incident happened just after 10 a.m. on Tuesday when visitors at the dam reported seeing an explosion, fire and a large plume of smoke at the base of the dam.
