Gulf Arab dispute rattles Trump's anti-Iran axis

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.

Saudi Arabia and the United Arab Emirates (UAE) are incensed by Qatar's conciliatory line on Iran, their regional archrival, and its support for Islamist groups, in particular the Muslim Brotherhood, which they regard as a dangerous political enemy....
https://www.reuters.com/article/us-gulf-qatar-usa-idUSKBN18R1AA