(Adds NY Fire Dept, power company quotes throughout, normal service resumed; changes date; adds PIX tag to media slug) Dec 28 (Reuters) - A transformer explosion at an electric power substation in the ...

FBI probes gunman's motive in ambush shooting of Guardsmen near White House Investigators led by the FBI's joint terrorism task force sought clues to what drove an Afghan immigrant to open fire on two ...

A transformer exploded Tuesday at the Hoover Dam, one of U.S.’s largest hydroelectric facilities, producing a thick cloud of black smoke and flames that were quickly extinguished. No one was hurt in ...