Qatar hit out on Monday at four Arab nations for cutting diplomatic ties and transport links over Doha's alleged support for terrorism, accusing them of a "publicity stunt" aimed solely at attacking its image and reputation.

Kuwait's ruler called on Sunday for Gulf Arab states to overcome a diplomatic dispute with Qatar that has led to the worst regional split in years, saying all parties had a duty to preserve regional unity.

Turkish troops have taken part in long-planned joint military exercises in Qatar, military sources and al Jazeera television reported on Monday, following a diplomatic rift between Doha and four other Arab states.

A senior United Arab Emirates (UAE) official said on Monday Qatar's powerful Arab neighbours could continue to isolate it "for years" if it did not change course in its policy of supporting extremists and jihadist groups.

Kuwait’s supreme court on Sunday reduced death sentence of Shiite citizen convicted of forming a pro-Iranian cell and of plotting attacks, changing it to life in prison.

A Saudi Arabian cleric placed by Riyadh and its allies on a blacklist of people they call terrorists linked to Qatar said he survived assassination by a suicide bomber in Syria on Friday.

The U.S. Senate's decision to impose new sanctions on Iran is an "unquestionable" violation of a nuclear deal reached in 2015 between Tehran and six major powers including the United States, Iranian media quoted a senior Iranian official as saying.

Turkish President Tayyip Erdogan held a teleconference call with French President Emmanuel Macron and Qatari Emir Sheikh Tamim bin Hamad al-Thani to discuss the Qatar crisis, Turkish presidential sources said on Friday.

A suspected U.S. drone strike killed two men believed to be al Qaeda militants in southern Yemen late on Friday, residents and local sources said.

Pan-Arab satellite network Al Jazeera said on Saturday the Twitter account for its main Arabic language channel was back up and running after briefly being suspended.

Qatar's efforts to force its Gulf neighbours to reopen their airspace to its flights were left unresolved on Friday, two sources familiar with the matter said, after Saudi Arabia argued the closure was part of a bigger political rift that could not be fixed by the United Nation's aviation agency.

The Iraqi army and Sunni tribal fighters have dislodged Islamic State from the al-Waleed border crossing into Syria, an Iraqi military statement said on Saturday.

A Qatari official accused Saudi Arabia and its allies Friday of imposing a "siege" on his country with sanctions he said were having a more devastating effect than the Berlin Wall.

Saudi Arabia's foreign minister said on Friday the four Arab states that broke ties with Doha were drawing up a list of "grievances," and would present them soon, warning that Qatar could not fund extremism and remain on good terms with neighboring states.

Moscow said on Friday its forces may have killed Islamic State leader Abu Bakr al-Baghdadi in an air strike in Syria last month, but Washington said it could not corroborate the death and Western and Iraqi officials were skeptical.

Iraq's Prime Minister Haider al-Abadi postponed a Saudi Arabia to avoid taking sides in the rift between the kingdom and Qatar, Iraqi officials said on Thursday.

The countries of the Gulf Cooperation Council are proposing to put a 31 percent safeguard tariff on imports of flat-rolled products of iron or non-alloy steel, they said in a filing published by the World Trade Organization on Thursday.

British Prime Minister Theresa May urged the leaders of Saudi Arabia, Bahrain and Qatar on Thursday to take steps to reduce tensions that have led the Arab world's biggest powers to cut ties with Qatar.

Former Prime Minister of the State of Qatar Hamad bin Jassim bin Jabor Al Thani said that the “accusations about special relations with Iran and funding terrorism surprized us”.

The death toll from a cholera outbreak is approaching 1,000 in Yemen, a war-devastated and impoverished country where "humanity is losing out to politics", a senior UN official said Thursday.