US President Donald Trump threatens to slap secondary sanctions and cut off business with the countries that purchase Iranian oil or petrochemicals.

Iran says the fourth round of its indirect talks with the US has been postponed, with a new date to be announced in due course.

Iran has warned of the consequences of the US' contradictory behavior and provocative positions amid indirect talks between the two countries, which have seen Washington impose new sanctions on Tehran.  

The US blacklists firms and individuals in China and Iran for alleged role in Tehran’s missile program.

Since the Islamic Revolution in 1979, Africa is one of the regions that has gained a special place in Iran’s foreign policy where political, cultural, and economic relations with African countries have been among the priorities.

Iran’s UN envoy said Tehran supports a sovereign and united Syria, free from terrorism and foreign interference.

Iran says the United States’ recent sanctions against the Islamic Republic contradict Washington’s claims of willingness to negotiate over the country’s peaceful nuclear program.