Heathrow: 20 people reported injury but ‘no trace’ of adverse substance found
- Posted on September 8, 2025
- By Evening Standard
- 2 Views
Heathrow: 20 people reported injury but ‘no trace’ of adverse substance found
Terminal 4 check-in was evacuated as precaution on Monday evening while emergency services responded to a ‘potential hazardous material incident’.
