- Britain and Russia brace for showdown as deadline expires for nerve attack explanationReuters
- May Plots to Punish Russia as Crisis Over Poisoned Spy DeepensBloomberg
- After Spy Is Poisoned, Britain Mulls Closing Door to London for Russia’s RichU.S. News & World Report
- Pick Your Poison: What the Nerve Attack in the UK Tells Us About RussiaPopular Mechanics
- Russia is a rogue state. Will Theresa May do what Trump hasn’t?CNN