A federal grand jury has indicted a 20-year-old Texas college student from Saudi Arabia on a single count of attempting to use a weapon of mass destruction.

The grand jury in Lubbock handed up its indictment Wednesday against Khalid Ali-M Aldawsari.

Prosecutors say Aldawsari was attempting to build a bomb with components bought online and that he was mulling plans to attack various sites, including dams, nuclear plants and the Dallas home of former President George W. Bush....