New Delhi, April 22 -- Donald Trump has set a three-to-five-day window for Iran to unite behind a counter-offer and re-engage in nuclear talks, US officials say, after a second round of negotiations in Pakistan collapsed and Vice President JD Vance's trip to Islamabad was called off, Axios reported quoting three US officials.

Donald Trump is prepared to allow Iran between three and five days to resolve its internal power struggle and present a coherent counter-offer - but the ceasefire he extended on Tuesday will not last indefinitely, three US officials have told Axios.

"Trump is willing to give another three to five days of ceasefire to allow the Iranians to get their shit together," one US source briefed on the matter said. "It is no...