Ukrainian president said that despite tricky relationship with Donald Trump, the White House is more irritated by Vladimir Putin.

But in recent weeks, the relationship has begun to show signs of strain.

Russia rebukes Trump’s “absolutely crazy” Putin comment, blaming his “emotional overload” after major Ukraine air assault.

The American president’s preference for praising and excusing the Russian leader has yielded no progress toward peace in Ukraine.

Ukrainian President Volodymyr Zelensky has said Russia was engaging in "yet another deception" by failing to hand over its peace settlement proposal ahead of a potential meeting between Moscow and Kyiv.

Trump has said he wants to use more of a carrot than stick when it comes to convincing Moscow to agree to a ceasefire, but, aside from direct Ukraine-Russia talks and further prisoner of war exchanges, there has been little to no progress on bringing a pause in fighting closer, despite the US president's growing impatience.

Kremlin spokesman Dmitry Peskov mocked Zelensky's shifting stance on peace talks. He said “thank God I’m not his press secretary,” and hinted at a second negotiation round. Zelensky has floated a trilateral summit with Trump and Putin,

Zelensky says Putin makes ‘mockery of entire world’ as historic prisoner swap continues - The Ukrainian president said 390 prisoners were returned on Friday, with more to follow over the weekend