Kyiv’s European allies have slapped new sanctions on Moscow, a day after a phone call between U.S. President Donald Trump and Russian President Vladimir Putin failed to produce a breakthrough on ending the 3-year-old war in Ukraine.

Turkey’s foreign minister is set to travel to Russia on Monday to discuss the situation in Ukraine, following direct talks earlier this month in Istanbul between the two sides in conflict.

Russia is still refusing to sign up to an unconditional comprehensive ceasefire. It has no intention of returning any of the Ukrainian land it has seized, occupied and claims to have annexed. On the contrary: it's pushing for more.

Volodymyr Zelensky has accused Vladimir Putin of making a “mockery of the entire world” in its delay to respond to calls for a ceasefire after the first stage of a large-scale prisoner swap between Ukraine and Russia.

The first direct Ukraine-Russia talks did not deliver a ceasefire but it did result in the largest prisoner swap of the war. CHERNIHIV REGION, Ukraine — For hours Friday, a crowd of hopefuls stood on the roadside wrapped in blue-and-yellow flags and clutching photos of captured Ukrainian soldiers — their eyes peeled for any sign of buses.

It follows Donald Trump saying Russia and Ukraine will "immediately" start negotiating, after a two-hour phone call with Vladimir Putin.

Russian president Vladimir Putin ordered his troops to create a buffer zone on the border with Ukraine. Meanwhile, the US Senate has threatened Russia with tough sanctions. Read more about what happened on Thursday,