A former Russian spy and his daughter are in a critical condition after being exposed to a nerve agent. We ask what happens next: Are there antidotes and what's the prognosis? Show more
Discover 11,128,835 listings and 279,585 playable programmes from the BBC
A former Russian spy and his daughter are in a critical condition after being exposed to a nerve agent. We ask what happens next: Are there antidotes and what's the prognosis? Show more