Police guarded the doors of Heathrow airport's Terminal 5 on Sunday, turning away travelers unless they were within 90 minutes of departure.
Alastair Jamieson and Phil Helsel, NBC: News Travel
Sun, 05/28/2017 - 4:41pm
Police guarded the doors of Heathrow airport's Terminal 5 on Sunday, turning away travelers unless they were within 90 minutes of departure.