(CNN)WASHINGTON – A plot to bomb an airliner that al Qaeda’s affiliate in Yemen hatched was thwarted two weeks ago through a tip that Saudi intelligence officials provided, a source familiar with the operation said Tuesday.
The Saudis also provided intelligence for a 2010 plot that involving printers packed with explosive toner cartridges.
The plot is an indication that, while the device did not ultimately pose a threat, terrorists remain determined, U.S. Secretary of State Hillary Clinton said Tuesday.