- Paramedic accidentally gave Sergei Skripal antidote to novichok, investigation findsThe Guardian
- Salisbury victim Novichok ‘treated with opioid overdose medication’BBC
- “He was catatonic, she wasn’t breathing”: a nurse recounts Skripal’s poisoningsThe times
- Salisbury paramedic thought poisoned Skripals ‘had overdosed on fentanyl’The telegraph
