Pakistani Prime Minister Imran Khan met Saudi Arabia's King Salman on Tuesday, Saudi state media reported, two days after he visited Iran on a mission to defuse tensions between Riyadh and Tehran.

Iran’s President Hassan Rouhani said an Iranian tanker damaged in the Red Sea on Friday had been hit by at least two rockets, and there is video footage of the incident.

A Saudi minister said on Sunday that Riyadh was not behind a suspected strike against an Iranian-owned oil tanker in the Red Sea, which Iranian state-run television said was hit on Friday by missiles but denied reports they came from Saudi Arabia.

Saudi Arabia's crown prince warned in an interview broadcast on Sunday that oil prices could spike to "unimaginably high numbers" if the world doesn't come together to deter Iran, but said he preferred a political solution to a military one.

Saudi Arabia has sent messages to Iran's president through the leaders of other countries, an Iranian government spokesman said on Monday, at a time of heightened tensions between the regional rivals.

Iraq reopened its Qaim border-crossing with Syria on Monday after eight years of closure amid regional turmoil, in the latest sign of normalization between Baghdad and Damascus and a win for their mutual ally Iran.

Iran has committed another breach of its nuclear deal with major powers by enriching uranium with advanced centrifuges, a report by the U.N. nuclear watchdog policing that deal said on Thursday, further fraying the landmark accord.

Turkish President Tayyip Erdogan said on Friday it was impossible for Turkey to stop buying oil and natural gas from Iran, despite the threat of U.S. sanctions, and added that trade between the two countries would continue, according to broadcaster NTV.

Iranian President Hassan Rouhani said on Tuesday he was open to discuss small changes, additions or amendments to a 2015 nuclear deal between Iran and six major powers if the United States lifted sanctions imposed on the Islamic republic.

French President Emmanuel Macron said on Tuesday he believed that the conditions for the leaders of the United States and Iran to meet were now in place, but the ball was now in their court to make it happen.

French President Emmanuel Macron said he would meet Iranian President Hassan Rouhani on Monday and U.S. President Donald Trump on Tuesday as he seeks to defuse tensions between Washington and Tehran.

Iran will hold its annual military parade on Sept. 22 in the Gulf with 200 frigates and speedboats, the semi-official Iran Front Page website reported on Wednesday, at a time of soaring tension between Tehran and Washington.

US Defense Secretary Mark Esper and Bahrain Crown Prince Salman bin Hamad Al Khalifa discussed Tuesday issues of mutual security concern, the Pentagon said amid heightened tensions in the region concerning Iran.

Oil prices tumbled more than 2% on Wednesday after a report that U.S. President Donald Trump weighed easing sanctions on Iran, which could boost global crude supply at a time of lingering worries about global energy demand.

U.S. Defense Secretary Mark Esper said on Friday that it appeared Iran was inching toward a place where talks could be held, days after U.S. President Donald Trump left the door open to a possible meeting with Iranian President Hassan Rouhani.

Iran said on Friday it had taken a step to further scale back its commitments to a 2015 nuclear deal, Iran's semi-official ISNA news agency reported.

A senior US official personally offered several million dollars to the Indian captain of an Iranian oil tanker suspected of heading to Syria, the State Department confirmed Wednesday.

Iran on Wednesday said it would take another step away from a 2015 nuclear deal by starting to develop centrifuges to speed up its uranium enrichment but it also gave European powers two more months to try to save the multilateral pact.

U.S. President Donald Trump on Wednesday left the door open to a possible meeting with Iranian President Hassan Rouhani at the upcoming U.N. General Assembly in New York.

Iran's foreign minister said on Tuesday Tehran would further cut its commitments under a 2015 nuclear deal unless European states acted to salvage the pact by Thursday, but that this did not mean the "end of talks", Iranian news agencies reported.