In a war dominated by the unexpected, few imagined Ukraine’s fourth year at war would so firmly now question the security of all of Europe.

A dozen leaders from Europe and Canada arrived in Ukraine’s capital by train Monday morning to mark the third anniversary of Russia’s invasion.

Fresh possibilities have emerged for President Vladimir V. Putin of Russia with a change of power in Washington.

In his speech, Fico began by praising Donald Trump for the “energy” with which he approached peace talks, calling it “admirable.” He also commended Hungarian Prime Minister Viktor Orbán, agreeing that the war in Ukraine “must be stopped.

Russia wants a long-term peace deal over Ukraine that tackles what it regards as the root causes of the conflict and not a quick U.S.-backed ceasefire followed by a swift restart of fighting, a senior Russian diplomat told the RIA news agency.

The United States is reportedly nearing a peace agreement between Ukraine and Russia, according to Steve Witkoff, the U.S. envoy to the Middle East. He said that any potential deal would require both territorial and economic concessions from both sides.

Divides between the United States, Kyiv, and its European allies deepened after the Trump administration released a draft of a United Nations resolution regarding the Ukraine war. On Monday, the U.N.’s General Assembly is set to vote on a resolution that marks the third anniversary of the start of the Ukraine war.