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8th September 2025
07:19pm BST
A terminal at Heathrow Airport has been evacuated.
Emergency services have responded to the scene which Sky News have reported as a 'possible hazardous materials incident'.
Footage on social media shows numerous ambulances outside of terminal four, perhaps as a precaution.
A Heathrow spokesperson said: "Terminal 4 check-in has been closed and evacuated while emergency services respond to an incident.
"We are asking passengers not to travel to Terminal 4 and supporting those on site. All other terminals are operating as normal. We will provide further information as soon as we can."
A London Fire Brigade spokesperson said: "Firefighters are responding to a possible hazardous materials incident at Heathrow Airport.
"Specialist crews have been deployed to carry out an assessment of the scene, and part of the airport has been evacuated as a precaution whilst firefighters respond."
National Rail have said that trains were not calling at Heathrow Terminal 4 due to 'emergency services dealing with an incident'.
Eyewitnesses claim to have seen a number of people wearing white suits arriving at the scene.
Footage on social media shows others wearing face masks.
