France, Sept. 23 -- US President Donald Trump is due to meet his Ukrainian counterpart Volodymyr Zelensky today, Tuesday, before attending a United Nations summit in New York in which he is expected to outline his vision for the world.

It will be the second meeting with Zelensky since Trump invited the Russian President Vladimir Putin on 15 August.

The talks broke Moscow's isolation in the West but yielded no breakthrough on Ukraine.

Russia has not only kept up its attacks on Ukraine in the past month but has raised fears in the West with drone or air incursions in NATO members Poland, Estonia and Romania.

Mike Waltz, the US ambassador to the UN, voiced solidarity over the airspace violations.

"The United States and our allies will d...