Saudi Arabia, Egypt, Bahrain and the United Arab Emirates announced on 6 June 2017 they were severing diplomatic ties with Qatar, as they accused the Gulf state of supporting terrorism. 

 
 
What
  1. Saudi Arabia had decided to sever diplomatic and consular relations with Qatar "proceeding from the exercise of its sovereign right guaranteed by international law and the protection of national security from the dangers of terrorism and extremism".
  2. The "decisive" measure was due to the "gross violations committed by authorities in Qatar over the past years". 
  3. Egypt's foreign ministry also accused Doha of supporting "terrorism". 
  4. The statement said all Egyptian ports and airports would be closed to Qatari vessels. 
  5. Bahrain news agency said the tiny kingdom was cutting ties with Doha over its insistence on "shaking the security and stability of Bahrain and meddling in its affairs". 
  6. The Saudi-led Arab coalition in Yemen's two-year war also said it had expelled Qatar.