The investigation into failed car bombings in London and Glasgow, Scotland, has swept up at least six physicians and a medical student, including a doctor seized at an Australian airport with a one-way ticket among the eight who have been detained. Many of the suspects had roots outside Britain — with ties to Iraq, Lebanon, Jordan and India — and worked together at hospitals in Scotland or England, officials said. None of the plotters being held so far is named on U.S. terror watch lists that identify potential suspects, according to American counterterror officials. <<<< Click on the names at left for more information. Credits:  CBS/AP