- Man arrested after ‘CS gas’ incident sparked Heathrow evacuation London Evening Standard
- Man arrested after CS gas found in Heathrow evacuation BBC
- ‘Mass psychogenic illness’ plausible cause of toxic substance alert at Heathrow, says scientist The Guardian
- Man arrested after Heathrow Airport incident that sparked evacuation of terminal Sky News
- Heathrow incident a ‘mass hysteria’ event, Met source says as no hazardous material found BBC
