- London Tube attack latest: Arrest made as terror threat raised to ‘critical’CNN
- Parsons Green: Armed police search house over Tube bombingBBC News
- British police arrest 18-year-old man in connection with London subway attackWashington Post
- Parsons Green: Homemade bomb ‘could have killed everyone in the carriage’The Independent
- The Terrorist Attack That Failed to TerrifyNew York Times