US President Donald Trump said that he has talked to Russian President Vladimir Putin on the phone to discuss an end to the conflict in Ukraine, the New York Post reported late on Saturday.

In an interview aboard Air Force One on Friday Trump said that he had "better not say," when asked how many times the two leaders have spoken.

"He (Putin) wants to see people stop dying," Trump told the New York Post.

Kremlin spokesman Dmitry Peskov said on Sunday he could "neither confirm nor deny" reports of a conversation between Putin and Trump regarding Ukraine, TASS news agency reported.

"As the administration in Washington unfolds its work, there are many different communications. And these communications are carried out through different channels," TASS quoted Peskov as saying.

"And of course, given the multiplicity of these communications, I personally may not know something, not be aware of something. Therefore, in this case I can neither confirm nor deny it," he added.

On Friday, Trump said he would probably meet Ukrainian President Volodymyr Zelenskiy next week to discuss the end of the conflict.

The Russia-Ukraine conflict will mark its third anniversary on February 24.

Trump told the New York Post that he has "always had a good relationship with Putin" and that he has a concrete plan to end the conflict. But he did not disclose further details.

Agencies