Credit rating agency Moody's Investors Service is concerned that the rift between Qatar and other regional states could have an impact on Qatar's credit outlook, if trade and capital flows are disrupted, a senior Moody's analyst told Reuters on Monday.

Oil rose on Monday after top crude exporter Saudi Arabia and other Arab states cut ties with Qatar, driving up prices on concerns over increased tension in the Middle East.

Egypt on Monday announced it was cutting diplomatic ties with Qatar, accusing Doha of supporting "terrorism", as Saudi Arabia, Bahrain and the United Arab Emirates adopted similar measures.

The United Arab Emirates cut ties with Qatar on Monday, state news agency WAM reported, accusing its Gulf Arab neighbor of supporting extremism and undermining regional stability.

Qatar's stock market tumbled on Monday after Saudi Arabia, Egypt, the United Arab Emirates and Bahrain severed ties with Doha, accusing it of supporting terrorism.

Qatar said on Monday it was facing a campaign of lies and fabrications aimed at putting the Gulf Arab state under guardianship, after Saudi Arabia, the United Arab Emirates, Bahrain and Egypt cut ties with it.

Saudi Arabia, Egypt, the United Arab Emirates and Bahrain severed their ties with Qatar on Monday, accusing it of supporting terrorism.

Saudi writer and novelist, Turki Al-Hamad attacked Palestinian figure Azmi Bichara, advisor to Prince of Qatar.

Documents leaked from the email of UAE Ambassador to Washington, Yousef Al Otaiba, revealed his call for Washington to move the US military base in Doha.

Equatorial Guinea was for the first time elected to the UN Security Council on Friday during a vote that saw Ivory Coast, Kuwait, the Netherlands, Peru and Poland also win seats at the top world table.

Iran is still sticking to the 2015 nuclear accord with major powers even as tensions rise between Tehran and US President Donald Trump, a UN atomic watchdog report showed yesterday.

The FBI is helping Qatar investigate the source of an alleged "hack" of state media which sparked diplomatic tensions in the Gulf, a source with knowledge of the probe said Friday.

The British “The Guardian” said that the British government may not publish the results of a long and detailed investigation into the foreign funding of extremist Islamic groups in Britain, as the decision behind not publishing the results is due to “sensitive information” mentioned in the investigation.

At least two people were killed when a car exploded in Saudi Arabia's eastern city of Qatif on Thursday, Saudi-owned Al-Arabiya television reported.

A bomb blast at a market in a northern Yemeni town killed six civilians and injured 15 others on Thursday night, security officials said.

Unknown assailants attacked an oil tanker on Wednesday in a strategic Red Sea waterway near Yemen in the latest flare-up in an area through which much of the world's oil passes.

A gunman killed two staff at a private school owned by a prominent Saudi billionaire in Riyadh on Wednesday, a security source told AFP.

Just 10 days after President Donald Trump called on Muslim countries to stand united against Iran, a public feud between Qatar and some of its Gulf Arab neighbours is jolting his attempt to tip the regional balance of power against Tehran.

Two policemen were wounded when a bomb exploded in Awamiya in eastern Saudi Arabia, where many of the country's Shi'ite Muslim minority live, state news agency SPA reported on Tuesday.

Russia and Saudi Arabia praised their growing partnership in oil markets and dialogue on Syria on Tuesday, in a formidable departure from past hostilities between top global producers and major players in the Middle East.