Washington, Jul 20 (IANS): An explosion in a transformer occurred at Hoover dam, the tallest dam in Nevada in the US.
No one was hurt in the explosion that occurred on Tuesday.
In a statement, Lower Colorado Regional Director at the Bureau of Reclamation Jacklynn Gould said the fire was reported in one of the 15 transformers installed at the dam, ABC news reported.
"There is no risk to the power grid," Ms Gould added.
A Twitter user named Kristy Hairston, who was visiting the dam, shared a video, saying that she was "touring the Hoover Dam" when she "heard an explosion".
The cause of the fire is yet to be ascertained.
Boulder City, where the dam is located, tweeted that the fire department received an emergency call and rushed a team to check the incident at the dam.
Boulder City later tweeted that the fire was extinguished before the fire department arrived on scene.