By Michael Martina, Jana Choukeir and Eman Abouhassira NEW DELHI/DUBAI, May 23 (Reuters) - Iran, the United States and mediator Pakistan all said on Saturday that progress had been made in talks on ending almost three months of war. Tehran is focused on finalising a memorandum of understanding, Iran's foreign ministry said after Iran's top negotiator Mohammad Baqer Qalibaf and Foreign Minister Abbas Araqchi met Asim Munir, Pakistan's army chief.
