UK russia
But Labour leader Jeremy Corbyn will not boycott station.
The former spy and his daughter remain in a 'critical' condition' following the nerve agent attack.
Amber Rudd tells MPs attempted murder will be met with 'robust' response.
'We know exactly what we are doing.'
Royal source says Duke of Cambridge's decision predates spy poisoning.
Scotland Yard says police officer also fighting for life.
An assassination attempt, a set-up, or a sign he was involved in espionage?
The five things you need to know about politics today.
Terror police have taken over the investigation.
Tests continue on unknown substance that left ex-spy critically ill.