Iran would need three days to lift its oil production back to the level it was at before U.S. sanctions were imposed, the semi-official Mehr news agency quoted Iranian Oil Minister Bijan Zanganeh as saying on Tuesday.

Iran will not talk to the United States until all sanctions imposed on Tehran are lifted, President Hassan Rouhani said on Tuesday, a day after President Donald Trump said he would meet his Iranian counterpart to try to end a nuclear standoff.

Iran has produced highly accurate missiles which it has not publicized, Iranian Deputy Defence Minister General Qassem Taqizadeh said on Friday, according to the semi-official Fars news agency.

Iraq's paramilitary groups on Wednesday blamed a series of recent blasts at their weapons depots and bases on the United States and Israel.

France's President Emmanuel Macron said on Wednesday he would meet Iranian officials ahead of this weekend's G7 summit and make proposals aimed at de-escalating tensions between Washington and Tehran.

Bahrain announced on Monday that it will join a US-led maritime coalition to counter Iranian threats to freedom of navigation in the Arabian Gulf. Bahrain, which hosts the US Navy's 5th Fleet, is the first Arabian Gulf country to officially join the coalition.

Yemen's Houthi movement's air defenses on Wednesday downed a United States drone MQ-9 in Dhamar governorate, southeast of the Houthi-controlled capital Sanaa, the group's Al-Masirah TV quoted the group's military spokesman as saying.

King of Bahrain Hamad bin Isa Al Khalifa announced his country's participation in a military mission to guarantee the freedom of maritime navigation in the Gulf region.

An Iranian tanker at the center of an angry confrontation between Iran and Washington sailed for Greece on Monday after it was freed from detention off Gibraltar, as Washington called the release unfortunate and warned Greece and Mediterranean ports against helping the vessel.

King of Bahrain Hamad bin Isa Al-Khalifa confirmed "the Kingdom of Bahrain's participation in the joint effort to preserve the safety of international maritime navigation and secure international corridors for trade and energy in the region."

A U.S. court has issued a warrant for the seizure of an Iranian tanker that British Royal Marines had seized last month in Gibraltar, a court document showed on Friday.

Western intermediaries are trying to persuade arch foes Iran and the United States to cooperate on bolstering security in Afghanistan as U.S. President Donald Trump seeks to extract America from its longest war, according to three source familiar with the efforts.

Bahrain has signed an agreement to purchase the Patriot missile defense system from the U.S. Army through Raytheon Company, the Defence Post website stated.

President Hassan Rouhani said on Wednesday Iran and other Gulf states could protect the region's security and foreign forces were not needed, state TV reported, repeating a longstanding rejection of a U.S. maritime security mission in the region.

Iran on Thursday hit out at Bahrain for hosting a "provocative" conference on Gulf maritime security and for its "anti-Iran" rhetoric accusing Tehran of attacking tankers in sensitive waters.

Britain on Monday joined the United States in a maritime security mission in the Gulf to protect merchant vessels travelling through the Strait of Hormuz after Iran seized a British-flagged vessel.

President Hassan Rouhani said on Thursday that Iran was ready for the worst in an uphill struggle to salvage its nuclear deal with world powers abandoned by the United States, but that he was sure Tehran would eventually prevail.

Bahrain hosted a conference on Gulf maritime security on Wednesday, after multiple attacks on shipping in the strategic Strait of Hormuz sent tensions soaring between Iran and the US.

The United States on Wednesday imposed sanctions on Iranian Foreign Minister Mohammad Javad Zarif, targeting the country's top spokesman and potentially hurting chances of diplomatic talks amid rising tensions between the two countries.

The U.S. Senate on Monday failed to override President Donald Trump's vetoes of legislation passed by Congress that would have blocked the sales of certain weapons to Saudi Arabia.