WASHINGTON D.C. – Homeland Security Secretary Michael Chertoff announced Thursday he has raised the threat level for regional and intercity passenger rail, subways and metropolitan bus systems from Code Yellow To Code Orange in the wake of the London terrorist bombings that targeted subways and a bus.

Currently, the United States has no specific, credible information suggesting an imminent attack in the United States. However, we know the tactics and methods of terrorists, as demonstrated by the horrific rail bombings in Madrid last year, Chertoff said at a press conference.

?The intent of al Qaeda and affiliated organizations to attack in Europe and the United States has been well documented and continues to be reflected in intelligence reporting,?? he said. “The thoughts and prayers of the American people are with the victims of this tragedy and our friends in Britain.?

To read the transcript of the press conference, click on DHS.Gov