Qatar boycott
Qatar emir says open to Trump-hosted talks over Gulf crisis: CBS
Trump, who has said he would be willing to mediate in the dispute, said in September he had a “very strong feeling” it would be solved “pretty quickly”.
Fresh vegetables usually trucked across Qatar's land border with Saudi Arabia, a route now blocked, have increased in price.
Nationals of 33 countries will be allowed to stay for 180 days and the other 47 for up to 30 days.