- Heathrow Airport's Terminal 4 was evacuated on Monday evening due to a reported potential hazardous material incident.
- Emergency services, including the Metropolitan Police, London Fire Brigade, and London Ambulance Service, attended the scene.
- Around 20 people reported injuries, with one person taken to hospital, but a thorough search found no trace of any hazardous substance.
- Terminal 4 was confirmed safe and reopened by 8:27 pm, with the airport working to ensure flights departed as planned.
- The cause of the incident remains under investigation, though flights from Terminal 4 were largely unaffected.
IN FULL
21 injured after Heathrow terminal evacuation but ‘no trace’ of adverse substance found
