Iranian Foreign Minister Abbas Araghchi arrived in Muscat to attend the fourth round of "indirect" talks between Iran and the United States over Tehran's nuclear program, according to the official Islamic Republic News Agency.
The talks are set to resume shortly before President Donald Trump's scheduled visit to the Middle East.
MORE: Iran-US nuclear talks to continue in Oman on Saturday, Tehran saysBefore leaving for Oman, Araghchi said he hopes the parties reach a "decisive" point in this round of talks, adding that "one of the problems with the negotiations is the constant change of American's positions," IRNA reported.
"All aspects of our nuclear program are peaceful and will not be negotiable or tradable," he added. "The blood of our scientists has been shed for enrichment, and it definitely is not negotiable."
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