CNN official tells CNN `` no specific credible threat whatsoever '' uncovered in U.S. U.S. intelligence , law officials say they have no indication of a transit system terror plot . They got off and left behind their deadly devices . Paris 's PM said his country uncovered a plot against Paris , Paris subways , reports say . Iraq Gov . James Comey : State officials are treating the report with `` utmost precaution ''
CNN official tells CNN `` no specific credible threat whatsoever '' uncovered in U.S. U.S. intelligence , law officials say they have no indication of a transit system terror plot . Paris 's PM said his country uncovered a plot against Paris , Paris subways , reports say . Iraq Gov . James Comey : State officials are treating the report with `` utmost precaution ''