Dhaka, May 31 -- Present at the closed-door meeting in Tehran, which took place on 17 April in the presidential compound, were Iranian President Masoud Pezeshkian, armed forces Chief of Staff Mohammad Bagheri and Foreign Minister Abbas Araqchi, the sources said.While media covered the 37-year-old prince's visit, the content of the King Salman's covert message has not been previously reported.Prince Khalid, who was Saudi ambassador to Washington during Trump's first term, warned Iranian officials that the U.S. leader has little patience for drawn-out negotiations, according to the four sources.Trump had unexpectedly announced just over a week earlier that direct talks were taking place with Tehran, aimed at curbing Iran's nuclear programme i...