Putin likely to stage another Salisbury-style attack, exiled oil tycoon says

Mikhail Khodorkovsky says Russian security services may seek to create a sense of vulnerability' in Britain

Vladimir Putin is likely to stage another Salisbury-style attack on UK soil unless the government adopts more aggressive tactics against the Kremlin, the exiled Russian billionaire Mikhail Khodorkovsky has said.

The former oil tycoon has emerged as a leading figure in Russian diaspora opposition circles and claims to be well-informed about current thinking and developments among Moscow's elite.