Summary:
A man has been arrested in the United States on charges he planned to detonate a bomb in the White House, sources say.

Full article:
(CNN) -- A 20-year-old Saudi national was arrested in Lubbock, Texas, on Thursday for allegedly researching and acquiring materials to make explosives, law enforcement sources told CNN. Khalid Ali-M Aldawsari planned to target the home of former President George W. Bush and other sites, the sources said. He faces a federal charge of attempted use of a weapon of mass destruction, the justice department said. From CNN's Jeanne Meserve .