Donald Trump appeared upbeat about the prospects of an imminent deal with Tehran, although Iran and mediators Pakistan appear slightly less sure – key US politics stories from Saturday 23 May

President Donald Trump said that negotiations with Iran were "in the final stages” as Iran said it was studying a new US proposal to end the war.

Iran insists on a full end to the war, including in Lebanon, before nuclear talks begin, as Trump grows frustrated and mediators warn fighting could resume within days while the…