Washington, Sept. 4 -- US President Donald Trump said that he'll soon speak with Ukrainian President Volodymyr Zelensky as momentum toward ending Russia's war in Ukraine has largely stalled and left the White House frustrated.

"I'm having a conversation with him very shortly, and I'll know pretty much what we're going to be doing. . I'll be speaking to him over the next few days, and we're going to see," Trump told reporters during an Oval Office meeting with Polish President Karol Nawrocki on Wednesday, cited a report by CNN.

The White House later clarified that the phone call between Trump and Zelensky was scheduled for Thursday and said that there is no call with Russian President Vladimir Putin currently set.

Asked about his message ...