The UN nuclear watchdog's chief Rafael Grossi will make his first trip to Tehran in that role on Monday to pressure Iran to grant inspectors access to two suspected former atomic sites after a months-long standoff, he said on Saturday.

IAEA chief Grossito to make first visit to Iran on August 24

Iran’s President Hassan Rouhani said on Saturday hailed a UN Security Council vote rejecting a US bid to extend an arms embargo on the Islamic republic, saying its foe has "never been so isolated".

Iran hails UN Security Council vote rejecting a US bid to extend arms embargo

US Secretary of State Mike Pompeo said on Friday that his country will do everything in its power to extend the international arms embargo on Iran under discussion at the United Nations.

US will do 'everything in its power' to extend Iran arms embargo, says Pompeo

The United States has shared a draft resolution with members of the United Nations Security Council that would extend an arms embargo on Iran indefinitely, according to diplomats.

US seeking indefinite extension in Iran arms embargo via UN Resolution