- Novichok attack: Putin ultimately responsible – ministerBBC News
- The Latest: Russia not investigating poisoning suspectsWashington Post
- Britain IDs Poisoning Suspects, Demands Action Against Russian Spy AgencyVoice of America
- How Russia Kills AbroadWall Street Journal
- From Mountain of CCTV Footage, Pay Dirt: 2 Russians Are Named in Spy PoisoningNew York Times