This is the worst diplomatic crisis in the Gulf region in decades.
On June 5, Saudi Arabia, United Arab Emirates, Bahrain and Egypt decided to break off ties with Qatar, accusing the Gulf state of supporting terrorism and of destabilising the whole region.
Qatar had fired the opening shot by what seemed to be open criticism of the Saudi-led and US-assisted anti-Iran alliance pushed by Donald Trump after his visit to Riyadh on May 21.
On May 24, Emir Sheikh Tamim bin Hamad Al Thani, the ruler of Qatar, allegedly criticised the US-Saudi