This may include advertisements from us and 3rd parties based on our understanding. The EU's new pledges to take a stronger position against Moscow have had an effect on the post-summit communique, according to Politico. They urged Russia to de-escalate tensions caused by the military buildup along its border with Ukraine and aggressive rhetoric According to a leaked draft of the communique, the European Council reiterates its support for Ukraine's sovereignty and territorial integrity. Any military aggression against Ukraine will have a lot of consequences and severe cost in response. It came after Johnson spoke to the Russian leader on Monday. The Prime Minister warned of significant consequences if Russia takes any destabilising action. According to Downing Street, the prime minister spoke to Russian President Vladimir Putin today. He expressed the United Kingdom's deep concern over the build-up of Russian forces on Ukraine's border and reiterated the importance of working through diplomatic channels to de-escalate tensions and identify durable solutions. The Prime Minister emphasised the UK's commitment to Ukraine's territorial integrity and sovereignty and warned that any destabilising action would have significant consequences. READ MORE: Russia marches one step closer to war Ukraine opens bomb shelters