One of the most senior ministers in Boris Johnson's government said this morning that Russia's invasion of Ukraine had begun.
Sajid Javid, the Health Secretary, told Sky News that the West was "waking up to a very dark day" after Russia ordered troops to the region.
We have seen that Putin has sent troops and tanks to eastern Ukraine, and we can tell from the reports that he has.
You can conclude from that that the invasion of Ukraine has begun.
The first barrage of UK economic sanctions against Russia would be unveiled later on Tuesday, according to Prime Minister Boris Johnson.
The UK government sources said that they wanted to maximize the effectiveness of the individuals or organizations that would be sanctioned.
Johnson stopped short of calling Monday night's move an invasion, but said that Putin isbent on a full scale invasion.
US officials didn't immediately term the latest move from Russia to be a further invasion, a form of words meant to acknowledge the Russian annexation of the peninsula.
The men were speaking after the meeting. Discuss the latest developments on Tuesday.
A significant package of sanctions would be announced later on Tuesday, a spokesman for the Prime Minister said.
Ben Wallace, the Defence Secretary, said that details would be set out during a press conference after coordinating a response with allies.
He said the situation was very worrying and that Russia had broken international law.
He said that many of us were warned that President Putin had an agenda.
This is a democratic state in Europe. All of us in Europe should be worried and we should not hesitate to take whatever action is necessary to stop President Putin from messing with both NATO and Europe.
US estimates put the number of Russian troops on the border at around 190,000.
The officials in the US and the UK believe that Putin is following a plan to bring about a full-scale invasion.
The Prime Minister's spokesman told journalists yesterday that President Putin's plan had begun.