Boris says UK will respond “robustly” on suspected poisoning

Foreign Secretary Boris Johnson has described the suspected poisoning of former Russian spy Sergei Skripal and his daughter Yulia as "very troubling". He said: "If this does turn out to be in any way the result of hostile activity by another government, or directed, led, by another government, then the people of this country can be absolutely sure that the UK will respond robustly."