Overview
- Officers were called at 08:11 to the Terminal 3 multi‑storey car park after reports of multiple assaults with a suspected pepper spray.
- Armed units detained one man on suspicion of assault, and officers are tracing additional suspects who left the scene.
- London Ambulance Service took several victims to hospital with injuries not believed to be life‑changing or life‑threatening.
- Road tunnels and rail services were briefly closed before reopening, with Elizabeth line and Heathrow Express warning of residual delays into late morning.
- Police increased their presence at the airport and urged witnesses to call 101 quoting CAD 1803 7 DEC, while Terminal 3 remains open.