Overview
- Armed officers and fire crews responded early in the morning and closed the multi-storey car park at Terminal 3.
- Victims received on-site care and some were taken to hospital with injuries described as not serious.
- Investigators are seeking additional suspects after others reportedly fled the scene.
- Rail links to Heathrow and road tunnels were temporarily closed, with services restored but delays expected.
- Airport officials advised travelers to allow extra time and check with airlines as access and traffic normalize.