Kyiv, Ukraine - Ukrainian President Volodymyr Zelensky said Monday that fighting with Russia was ongoing despite a three-day US-brokered ceasefire, accusing Russia of not wanting to end the four-year war.

Both Russia and Ukraine have accused each other of violating the ceasefire, announced by US President Donald Trump, over three days from May 9.

"Today there was no silence at the front, there was fighting. We have recorded all of this," Zelensky said in his daily address in the final hours of the truce.

"We also see that Russia has no intention of ending this war; unfortunately, it is preparing new attacks," he added.

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Zelensky also said his top negotiator, Rustem Umerov, had reported to him on recent "political" and "technological" meetings in the US.

"It is clear that the war in Iran is now drawing the most attention from America," Zelensky said. "But there is also a priority there and support from the American people to bring this war in Europe to an end as well."

Negotiations on the Russia-Ukraine war have so far led nowhere and were sidelined by the Iran conflict. Trump's ceasefire announcement has raised some hope that US-led talks to end Russia's invasion will be resumed.