India, July 9 -- US President Donald Trump can purportedly be heard claiming that he threatened to "bomb" Russia's Moscow and China's Beijing, in an audio that is now going viral.

In the audio, shared by CNN, Trump claims he had separate conversations with Russian President Vladimir Putin and Chinese President Xi Jinping.

"With Putin, I said, 'If you go into Ukraine I'm gonna bomb the 's**t out of Moscow. I'm telling you I have no choice'... He said 'no way', I said 'way!'," Trump can purportedly be heard saying.

In same audio later, he speaks about a conversation he says he had with Jinping: "I said you know, 'If you go into Taiwan I'm gonna bomb the s**t out of Beijing'. He said I was crazy."

Both of his counterparts were "shocked" ...