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Terminal at Heathrow Airport evacuated after 'possible hazardous materials incident'

Terminal 4 was evacuated as a precaution for a suspected hazardous materials incident with around 20 people treated; no harmful substances were found and the terminal has since reopened safely.

  • A man was arrested after an incident at Heathrow Airport's Terminal 4 that led to its evacuation on Monday evening.
  • The London Fire Brigade, Metropolitan Police, and London Ambulance Service responded to reports of a potential hazardous materials incident, closing Terminal 4 for three hours.
  • Twenty-One people reported injuries believed to be from CS spray, but no life-threatening injuries were confirmed.
  • The incident resulted in delayed flights and affected transport links to the airport, which was already facing issues from London Underground strikes.
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61 Articles

harrowtimes.co.ukharrowtimes.co.uk
+5 Reposted by 5 other sources
Center

Man arrested after Heathrow Airport incident that sparked Terminal 4 evacuation

A man has been arrested after a suspected "hazardous materials incident" at Heathrow Airport's Terminal 4.

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Lean Left

Due to possible hazardous substances, a terminal at Heathrow Airport in London had been partially evacuated and the precaution has now been lifted.

·Germany
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Lean Right

London Heathrow Airport has evacuated the check-in area of one of its terminals due to a possible hazardous materials incident, an airport spokesperson told CNN on the evening of September 8th.

·Belgrade, Serbia
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Lean Right

The terminal check-in area was closed and evacuated due to an incident related to the possible presence of hazardous materials.

·Portugal
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GB News broke the news in London, United Kingdom on Monday, September 8, 2025.
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