- Russian TV airs ‘Yulia Skripal phone call’BBC News
- Russia calls diplomat expulsions a ‘mockery’ of the lawWashington Post
- US Diplomat Expulsions Deepen Divisions With RussiaWall Street Journal
- What is known, and not known, about poisoning of ex-spy in BritainReuters
- Russian ambassador uses press conference to demand ‘transparency’ over Salisbury investigation – Politics liveThe Guardian (blog)