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The Guardian - UK
The Guardian - UK
National
Rachel Hall

Man arrested on suspicion of bringing teargas to Heathrow airport

People arrive on foot with bags at Heathrow Airport's Terminal 4, before approach roads are fully reopened, after it was evacuated as a precaution while emergency services responded to an incident on September 8, 2025 in London, England.
Passengers returned to Terminal 4 on foot after it was evacuated for emergency services to probe a ‘potential hazardous materials incident’. Photograph: Peter Nicholls/Getty images

Police have arrested a man on suspicion of bringing teargas into Heathrow airport, which caused Terminal 4’s check-in area to briefly shut down.

The check-in area at the UK’s main international airport was evacuated for around three hours on Monday evening as emergency services probed a “potential hazardous materials incident”.

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