Qatari Foreign Minister Sheikh Mohammed Bin Abdulrahman al-Thani told the broadcaster that the Federal Bureau of Investigation has confirmed the hack and the planting of fake news. The Qatar Investment Authority and Glencore Plc agreed to buy a 19.5 per cent stake in Russia's largest oil producer, state-owned Rosneft PJSC, for US$11 billion in December.
In its messages, the ministry stressed Saudi Arabia's commitment to providing all facilities and services for Qatari pilgrims.
While liberal compared to much of the Middle East, the UAE has tough cybercrime and slander laws under which people can be arrested, imprisoned and deported for taking photographs without the consent of those shown. Six other governments also have suspended diplomatic ties.
UAE's top prosecutor warned against showing sympathy with Qatar on social media platforms, stating that it is a "crime".
Al Qassemi, of the ruling family of the sheikhdom of Sharjah in the United Arab Emirates, told The Associated Press on Wednesday that he hopes Qatar ends its "rogue, maverick" ways.
"We are in talks with Turkey and Iran and other countries", said the official, who spoke on condition of anonymity due to the sensitivity of the subject, adding that the supplies would be brought in through Qatar Airways cargo flights. It is likely that Egypt came on board two days later, during a visit to Cairo by the Saudi foreign minister.
Qatar's government "also continues to support terrorist organization in Libya, Syria and Yemen and Sinai".
"I want to clearly say that we disapprove of the sanctions on Qatar", President Recep Tayyip Erdogan said during a fast-breaking iftar dinner in Ankara.
Gabriel also noted that American deals with Middle East states might also contribute to further tensions.
Sources said the UAE and Saudi Arabia have already cut exports of white sugar to Qatar.
Asked if he anxious that Qatar was being pushed into the arms of Shi'ite Muslim power Iran, Gargash suggested Tehran was seeking to exploit the row to widen Gulf Arab divisions.
Jubeir declined to confirm a list of 10 demands published by Al-Jazeera, which included shutting down the Doha-based news channel, but added that Qatar knew what it needed to do to restore normal relations.
Qatar relies heavily on food imports, especially those coming over its only land border with Saudi Arabia.
That's according to a United States official who wasn't authorized to discuss the call publicly and requested anonymity.
Traders on global markets anxious that Riyadh's allies would refuse to accept LNG shipments from the Gulf state, the world's largest liquefied natural gas exporter, and that Egypt might even bar tankers carrying Qatari cargoes from using the Suez Canal as they head to Europe and beyond. In recent months, suspected Russian cyberactivities, including the use of fake news stories, have turned up amid elections in France, Germany and other countries.
Intelligence from U.S. agencies signaled that Russian hackers were involved in the first cyberattack two weeks ago.
The West African country of Mauritania has joined the swelling ranks of the countries cold-shouldering Qatar.