Qatar long has denied funding extremists, and its foreign minister struck a defiant tone in interviews, even after anxious residents emptied grocery stores in its capital, Doha.
Qatar relies heavily on food imports, especially those coming over its only land border with Saudi Arabia, which joined with other key Arab powers Monday in cutting off land, sea and air routes into the country.
It's a strategy shared by other Persian Gulf countries seeking to win USA support - including Saudi Arabia. Trump tweeted on Tuesday. "During my recent trip to the Middle East I stated that there can no longer be funding of Radical Ideology". He also sought to cast the anti-Qatar action led by the Saudis and the United Arab Emirates as the result of his trip last month to Riyadh, where he pressed leaders from dozens of Arab and Muslim governments, including Qatar's emir, to combat extremism. "Perhaps this will be the beginning of the end to the horror of terrorism!" he added.
Representatives of clubs from Saudi Arabia have also been told by their domestic authorities not to talk to Qatar-based broadcaster beIn Sports, one of the AFC's official outlets, at Tuesday's draw for the Asian Champions League. Qatari officials declined to comment.
"We are friends, we've been friends now for a long time, haven't we?"
Still, the minister struck a defiant tone, rejecting those "trying to impose their will on Qatar or intervene in its internal affairs".
Bahrain, Sudan and Djibouti followed suit, but the UAE downgraded ties and Qatar, Kuwait and Jordan defied the Saudi call and simply recalled their envoys from Tehran. An Omani diplomat travelled to Qatar on Monday.
Did Donald Trump help arrange the isolation of Qatar from the Sunni nations in the Middle East?
Meanwhile, the Philippines announced it will temporarily suspend the deployment of Filipino workers to Qatar. The US worked with the political wing of the Taliban in Qatar to make the Bowe Bergdahl swap, for instance, and Qatar guaranteed that the five Taliban commanders released would not go back into the war for at least a year.
Qatar Suspends all Flights to Saudi Arabia
That spat ended after Qatar promised not to interfere in the internal affairs of its neighbours. Sabah left Tuesday night for Saudi Arabia, where he met with King Salman.
Saudi Arabia, Bahrain, the UAE, Yemen, Libya's eastern-based government and the Maldives have all cut diplomatic and other ties with Qatar over backing extremism. CENTCOM. The joint military organization covers the Middle East and has its forward command centers for special ops (SOCCENT) and Air Forces (AFCENT) based in Qatar.
Soccer's world governing body Federation Internationale de Football Association has said it remains in regular contact with Qatar, which will host the 2022 World Cup. Qatar just finished one of the stadiums for the tournament, though others have yet to be built.
On May 28, United Arab Emirates state minister for foreign affairs Anwar Gargash says Gulf countries are going through a new "deep crisis", urging Qatar without naming it to "change its attitude and re-establish confidence and transparency".
Banning all transport ties with Qatar, the three Persian Gulf states gave Qatari citizens and residents two weeks to leave.
"It's a mixed bag with Qatar", said Republican Sen.
In 2014, Qatar became the first Gulf nation to sign an anti-double taxation law with Nairobi, relieving export products destined for Doha from further charges.
Erdogan also spoke with Saudi Arabia's King Salman and the emirs of Qatar and Kuwait.