A document seen being taken into Downing Street today appeared to reveal the government's strategy to provide Ukraine with an alternative gas supply, should Russia cut theirs off.
The paper also appeared to show the government's plans to "discourage any discussion of contingency military preparations" and seemed to highlight that the government would not support trade sanctions, or measures to "close London's financial centre to Russians".
Pro-Russia activists recaptured administrative headquarters in the Ukrainian city of Donetsk and flew the Russian flag from its roof.
ITV News' Europe Correspondent describes the tense atmosphere surrounds a central government building in Donetsk .
New footage obtained by ITV News shows Russian troops firing warning shots as Ukrainian soldiers approached during a tense stand-off today.