Terminal 4 at London Heathrow airport is now running normally after an emergency evacuation. Crowds of passengers gathered outside the terminal on Monday evening when police and firefighters were ...

A check-in area at London’s Heathrow airport was briefly evacuated on Monday due to a possible hazardous substance incident, but police later said no harmful substances were found at the scene.

A terminal at Heathrow Airport has been evacuated as emergency services respond to a 'possible hazardous materials incident'. Crowds of people were seen gathering outside Terminal 4 as ambulances and ...