Vladimir Putin faces a logistical problem in traveling to the Donald Trump meeting in Budapest, Hungary, to discuss ending the Ukraine war.

The Kremlin denied Tuesday that it was holding up President Donald Trump’s latest push to end the war in Ukraine, and insisted it had not changed its demands ahead of possible talks. Trump had announced that Russia and the United States' top diplomats would meet this week, with his own summit with Vladimir Putin to follow in Budapest, Hungary.

The Polish foreign minister said he could not guarantee that Russian President Vladimir Putin's plane would not be forced to land.

DONALD Trump’s crunch talks with Vladimir Putin are at risk of collapsing after a meeting between their aides was mysteriously cancelled. US secretary of state Marco Rubio was due to meet

Kremlin envoy Kirill Dmitriev floated the tunnel idea late on Thursday after Putin spoke to Trump by phone and agreed to meet in Budapest.

Donald Trump urged Volodymyr Zelenskyy to accept Russia’s terms for ending its war in a volatile White House meeting on Friday, warning that Vladimir Putin had said he would “destroy” Ukraine if it did not agree.

President Vladimir Putin's investment envoy outlined a plan for U.S.-Russia tunnel connecting Alaska and Siberia through Bering Strait within eight years at $8 billion cost.

A weekend call between President Donald Trump and Ukrainian President Volodymyr Zelenskyy devolved into a "shouting match," and Russian state media pundits are now declaring it the result of Russian President Vladimir Putin's influence over Trump.