Iran said on Sunday it will shortly boost its uranium enrichment above a cap set by a landmark 2015 nuclear deal, prompting a warning ‘to be careful’ from U.S. President Donald Trump, who has pressured Tehran to renegotiate the pact.

British Royal Marines seized a giant Iranian oil tanker in Gibraltar on Thursday for trying to take oil to Syria in violation of EU sanctions, a dramatic step that drew Tehran’s fury and could escalate its confrontation with the West.

Once again, Iran has been exempted from the OPEC output cut deal, Zangeneh told the reporters.

China imported 1.08 million mt, or 255,065 b/d, of crude oil from Iran in May, down 66.7% from the five-year high of 3.24 million mt in April as the US' sanction waivers for Iranian oil expired on May 2.

the United States had never targeted an Iranian head of state before and that was a sign Trump was getting personal.

Iran and Russia already have a deal whereby Iran sells 100,000 b/d of crude oil to Russia and receives 50% of the value in cash and 50% in equipment.

The Strait of Hormuz, located between Oman and Iran, connects the Persian Gulf with the Gulf of Oman and the Arabian Sea. The Strait of Hormuz is the world's most important oil chokepoint because of the large volumes of oil that flow through the strait. In 2018, its daily oil flow averaged 21 million barrels per day (b/d), or the equivalent of about 21% of global petroleum liquids consumption.

Iran and Russia have signed a Memorandum of Understanding on oil and gas cooperation which will bolster the two countries’ energy relations.

It is essential that Iran fully implements its nuclear-related commitments under the Joint Comprehensive Plan of Action (JCPOA), IAEA Director General Yukiya Amano told the Agency’s Board of Governors

During a joint news conference with US President Donald Trump today, British Prime Minister Theresa May stressed the importance of the USA-UK special relationship in dealing with Iran, but added that "we [the UK] stand by the nuclear deal".