Washington DC, Dec. 29 -- White House Press Secretary Karoline Leavitt said that US President Donald Trump on Monday had a positive call with Russian President Volodymyr Zelenskyy on Ukraine.

In a crisp post on X, Leavitt did not reveal further details.

She said, "President Trump has concluded a positive call with President Putin concerning Ukraine."

Ukrainian President Volodymyr Zelenskyy explained that he was developing a sequencing plan with the US.

"We have been developing a sequencing plan with the US: the sequence of actions - our strategy is to move step by step - when and what we want to finalize and coordinate with our partners," he said.

"First and foremost, we now want to hold a meeting at the national security advisors' l...