What caused the evacuation of Terminal 4?
A possible hazardous materials incident led to the evacuation.
News / UK News
On September 8, 2025, Heathrow Airport’s Terminal 4 was evacuated following reports of a potential hazardous materials incident, prompting a response from emergency services and causing disruption to travelers.
The incident at Heathrow Terminal 4 led to the deployment of specialist crews to evaluate the situation, triggering an evacuation as a precautionary measure. The London Fire Brigade dispatched teams from Feltham, Heathrow, Wembley, and nearby fire stations after receiving the initial call at 17:01. While the investigation was underway, all other terminals continued to operate without disruption. Passengers were rerouted and supported by airport staff. Initial reports indicated minimal flight delays, but train services to Terminal 4 were suspended, compounding travel challenges.
A possible hazardous materials incident led to the evacuation.
No, all other terminals are operating as normal.
Initially, flights were mostly on time, with one reported delay. Check with your airline for the latest updates.
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