Overview
- Armed officers responded around 8:11 a.m. local time and detained one suspect on suspicion of assault.
- Several people were treated by London Ambulance Service and taken to hospital with injuries not considered life-threatening.
- Police say a group of men carried out the spraying in the multi-storey car park before leaving the scene, and inquiries are under way to find them.
- Investigators currently believe the parties knew each other following an argument that escalated, according to Commander Peter Stevens.
- Terminal 3 remains open with a reinforced police presence and localized traffic and rail disruption, while flights continue as normal.