President Donald Trump warned that the Russia-Ukraine conflict could spiral into a world war if the parties keep "playing games."

Diplomatic tensions escalate as President Donald Trump casts doubt on Ukraine’s democracy, criticizing its ongoing wartime ban on national elections.

Ukraine delivered its response to the latest US-drafted peace proposal aimed at ending the war with Russia to the Trump administration on Wednesday, US and Ukrainian officials told CNN, as the contours of a tenuous potential deal take shape and the US president continues to make clear he wants the conflict resolved quickly.

U.S. President Donald Trump will send a representative to talks in Europe on Ukraine this weekend if there is a real chance of signing a peace agreement, the White House said on Thursday. But Trump has grown weary of multiple meetings that never seem to reach an agreement on ending the war in Ukraine,

The European Union has decided to indefinitely freeze €210bn worth of Russia ’s assets, so that Hungary and Slovakia, two countries with friendly relations with Moscow, cannot prevent billions of euros from being used to support Ukraine.

The president has yet to respond to the revised proposal, which suggests that both Russia and Ukraine would vacate a demilitarized zone in the Donbas.

KYIV, Ukraine -- KYIV, Ukraine (AP) — President Donald Trump on Sunday claimed Ukrainian President Volodymyr Zelenskyy “hasn’t read” a U.S-authored peace proposal aimed at ending the Russia-Ukraine war.

President Donald Trump asked when Ukraine would have democratic elections at a press availability on Wednesday. REPORTER: And you said in an interview yesterday that you think it's time for Zelensky to start accepting things.

Following President Donald Trump’s claim that Ukraine is “losing” the war against Russia’s ongoing invasion and that Russia now has the “upper hand”, multiple officials told CNN there are no new US or European assessments suggesting there have been significant changes on the battlefield and they don’t see any indications Moscow is likely to win the conflict quickly.

The comments from Trump's oldest son are a sign of growing frustration over the failure of the Ukraine peace efforts to end the war

Ukrainian president Volodymyr Zelenskyy announces first formal reconstruction meeting with Trump officials to discuss Ukraine's post-war recovery efforts.