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- United plane makes emergency landing in Pittsburgh over ‘possible security issue’ . The Guardian
- United flight from Chicago’s O’Hare airport bound for New York LaGuardia diverted to Pittsburgh for ‘potential security concern’ ABC7 Chicago
- United flight from Chicago evacuated due to ‘security concern,’ airline says FOX 32 Chicago
- Plane diverted to Pittsburgh for ‘possible security issue,’ officials say WTAE
- FBI says a threatened flight landed safely in Pittsburgh TribLIVE.com