Iran and Saudi Arabia will exchange diplomatic visits soon, Tehran said on Wednesday, indicating a possible thaw in relations between the regional rivals since they severed diplomatic ties last year.

Iran can resume high-level uranium enrichment within five days if the United States tears up the nuclear deal, the head of its Atomic Energy Organisation said Tuesday.

A Saudi Arabian official said that Saudi Arabia did not ask for any meditation in any way with Iran.

The United Arab Emirates signalled its desire to strengthen ties with Iraq during weekend talks with influential Iraqi Shi'ite cleric Moqtada al-Sadr as part of efforts by Sunni nations of the Middle East to halt Iran's growing regional influence.

Iran could abandon its nuclear agreement with world powers "within hours" if the United States imposes any more new sanctions, Iranian President Hassan Rouhani said on Tuesday.

An Iranian drone came within 1,000 feet (300 meters) of a U.S. aircraft carrier while it was in international waters in the Gulf conducting flight operations, a spokesman for the U.S. Naval Forces Central Command said on Monday.

Iraqi Interior Minister Qasim Al-Araji said Saudi Crown Prince Mohammad bin Salman had officially asked him to facilitate bilateral talks between Tehran and Riyadh.

An Iranian drone flew close to US aircraft operating in the Gulf, US officials said Monday, in what they called an “unsafe and unprofessional” incident.

The armed Houthi movement and their foes in Yemen's civil war, the Saudi-led coalition, on Saturday gave conflicting accounts of a Houthi attempt to attack shipping in the Red Sea port of al-Mokha.

Iran is holding talks with European planemaker Airbus to buy 48 helicopters for civilian use, an Iranian official was on Saturday quoted as saying, as Iran continues its shopping spree of Western aircraft after the lifting of sanctions.

Kuwaiti authorities have arrested 12 people convicted in absentia of spying for Iran and Lebanese Shi'ite Muslim group Hezbollah, the Interior Ministry said on Saturday.

Islamic State issued a video on Wednesday threatening new attacks in the Iranian capital Tehran and calling on young Iranians to rise up and launch jihad in their country.

A court in the United Arab Emirates has convicted an Iranian national for spying and aiding Tehran's nuclear program, sentencing him to 10 years in jail then deportation, local newspapers reported on Thursday.

An unarmed Iranian drone came within 100 feet (31 meters) of a U.S. Navy warplane as it prepared to land on an aircraft carrier in the Gulf, a U.S. official said on Tuesday.

Bahrain’s Prime Minister Prince Khalifa bin Salman Al Khalifa said that the security situation has gone back to normal and that Bahrain has overcome the repercussions of the Iranian aggression against it.

Iranian security forces have broken up a group linked to Islamic State which was planning attacks in religious centers in the country and trying to hide weapons in home appliances, state news agency IRNA reported on Monday.

Hassan Rouhani won the endorsement of Iran's supreme leader for his second term of president on Thursday after an easy election win, pledging to open Iran to foreign trade and investment but facing internal hardline resistance and renewed U.S. antagonism.

Iran said new sanctions imposed by U.S. President Donald Trump on Wednesday break the terms of its nuclear deal with the United States and other world powers, and vowed an "appropriate and proportional" response.

U.S. Secretary of State Rex Tillerson acknowledged on Tuesday that he and President Donald Trump disagree over the 2015 Iran nuclear deal, and said the two men discuss how to use the international agreement to advance administration policies.

Saudi Arabia accused Iran of persistently stalling the resumption of investigations into the 2016 attacks on the Saudi embassy in Tehran and its consulate in Mashhad.