Disaster has been avoided after a speedy reaction to an explosion close to the base of the Hoover Dam. A large cloud of black smoke rose from a building near the iconic dam shortly after 10am.

A large explosion rocked the Hoover Dam during a tour of the facility early Tuesday, dramatic video shows. A clip posted to Twitter minutes after 10 a.m. local time showed a huge plume of smoke ...

A tourist at the Hoover Dam shared video Tuesday showing a small explosion and black smoke. "My goodness, something's just blown up," a woman is heard saying in the video first shared by Kristy ...

Fire from a Tuesday morning transformer explosion at the Hoover Dam was quickly extinguished, caused no injuries and is not a threat to the power grid, according to the Bureau of Reclamation's ...

The Hoover Dam also provides water to 25 million people ... the problem must be addressed before it becomes a disaster. "If it gets to the point of a disaster, it's too late or you have to ...

What happens if the Hoover Dam fails? This engineering marvel has been standing for nearly a century, supplying water and electricity to millions. But if disaster strikes, the consequences could ...

BOULDER CITY, Nev. - 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 ...

A fire in a transformer near the Arizona turbine house of the Hoover Dam caused a small explosion and sent a smoke plume skyward Tuesday morning. The A5 transformer caught on fire and was ...

A transformer exploded and caught fire at Hoover Dam in Nevada on July 19, according to local officials. Bureau of Reclamation official Jacklynn L. Gould said that at about 10 a.m. local (Pacific ...

A transformer fire at Hoover Dam on Tuesday morning shot plumes of smoke into the air but did not injure anyone or threaten the power grid, officials said. Boulder City Fire Department is en route ...