The visit comes after heavy clashes this week between the U.S. and Iran. The country’s supreme leader pledged to avenge his father’s killing, trading threats with President Trump. The Iranian foreign minister, Abbas Araghchi, arrived in Oman on Saturday for talks on the future of the Strait of Hormuz. The visit came a day after U.S. officials said they expected Iran to publicly declare an end to attacks on commercial ships in ... [1674 chars]