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.

Bahrain said on Monday it cut diplomatic relations with Qatar, accusing its fellow Gulf Arab state of backing terrorism and interfering in Bahrain's internal affairs.

In a statement to the Saudi “Al-Hayat” newspaper in its today’s issue (Sunday, June 4, 2017), the Bahraini Minister of Foreign Affairs Kahlid Al Khalifa denied knowing anything about diplomatic efforts to resolve the Qatari crisis. Yet, he stressed keenness on the unity of the Cooperation council, highlighting that he knows nothing about any Kuwaiti mediation.

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.

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.

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.

Descendents of the founding father of Saudi Arabia's Wahhabi brand of Islam have sought to distance themselves from Qatar's ruling family, according to a statement published on Sunday.

The Associated Press said that the Gulf witnessed a number of political unrests after US president Donald Trump’s visit to Riyadh.

Kuwait's foreign minister met Qatar's ruler on Friday for talks that appeared aimed at trying to ease renewed tensions between Qatar and fellow Gulf Arabs over its policy toward Iran and regional Islamist groups.

Al-Hayat Saudi Newspaper said that the Ministry of Culture and Media in the Kingdom blocked many Qatari media website for displaying incitement against Bahrain.

Bahrain followed suit after Saudi Arabia, UAE and Egypt and blocked the Qatari media outlets amid the mounting Gulf crisis with Qatar.

Qatar got into a war of words with some Gulf Arab allies on Wednesday after it said hackers had posted fake remarks by its emir against U.S. foreign policy, but their state-run media reported the comments anyway.

Emir of Qatar Sheikh Tamim bin Hamad Al Thani called on Egypt, UAE and Bahrain to review their stances against his country.

Abdulrahman bin Hamad Al Thani, Chief Executive Officer of the Qatar Media, affirmed that the Qatar News Agency (QNA) website has been hacked. He said in a statement on his Twitter account that a false statement attributed to his highness Sheikh Tamim bin Hamad Al Thani has been published and that QNA website is hacked.

An Indian man working on a Qatar World Cup stadium where rights groups say labor abuses have occurred, died of a heart attack this month in an incident the tournament's organizers said on Thursday was not due to his working conditions.

Three workers died and several were injured at a building site in Qatar, which has come under pressure to improve conditions for laborers working on venues for the 2022 World Cup.