(BAGRAM, Afghanistan) -- The claims of a captured German al Qaeda recruit about a multi-city plot against Europe have been bolstered by other "highly reliable" sources of information, US and German intelligence officials said Thursday.
The captured German, Ahmed Siddiqui, told American interrogators at the Bagram Airfield in Afghanistan that Osama bin Laden had personally blessed the plan, officials said.
Since then, US and German officials said, Siddiqui's claims have been verified by a second captured German terror recruit and "other sources" that officials were reluctant to describe in detail for fear of compromising law enforcement operations.
“There are several different sources, all confirming that there are plots afoot by al Qaeda central, that is to say the Osama bin Laden organization in Pakistan, to do attacks in Europe," said Dick Clarke, a former White House national security official and now an ABC News consultant. "Now they don’t have anything that points to the United States yet, but if there were to be simultaneous attacks in Europe, it’s at least possible there would be a simultaneous attack in the United States as well.”
German intelligence officials told ABC News that about 45 other "potentially dangerous" individuals in Germany are being tracked as officials seek to prevent an attack from taking place.
Siddiqui worked as a cleaner at the Hamburg airport and was a "devout member" of the al-Quds mosque in Hamburg, where Mohammed Atta and other 9/11 hijackers gathered prior to their attack.
Copyright 2010 ABC News Radio