A terminal at Heathrow Airport has been evacuated while emergency services respond to a “possible hazardous materials incident”.
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.”
Pictures shared on social media appeared to show a number of ambulances outside the airport’s Terminal 4.
National Rail said trains were not calling at Heathrow Terminal 4 due to “emergency services dealing with an incident”.
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