BOULDER CITY, Nev. (AP) — A transformer exploded Tuesday at Hoover Dam, one of the nation's largest hydroelectric facilities, producing a thick cloud of black smoke and flames that were quickly ...

BOULDER CITY, Nev. (AP) - A transformer exploded Tuesday at Hoover Dam, one of the nation's largest hydroelectric facilities, producing a thick cloud of black smoke and flames that were quickly ...

MOSUL, Iraq, Dec 17 (Reuters) - A truck packed with explosives blew up on Monday close to Iraq's largest dam, partly destroying the main access bridge and killing a policeman, police said. The blast ...