India, May 25 -- A day after US President Donald Trump touted that an agreement was near and the details could be announced "shortly", the White House has now walked back some of its earlier optimism.

A senior US official, according to Axios, said that the White House now believes that a deal with Iran might take several days to get approval by Tehran's leadership, including Supreme Leader Mojtaba Khamenei. This comes even as Iranian President Masoud Pezeshkian earlier today asserted that no decision was made in the Islamic Republic without the permission of the Supreme Leader.

Meanwhile, a senior administration official said the details of the agreement was still under negotiation, and therefore no deal was expected to be signed on Sun...