Here are the main developments that led to the unprecedented crisis between Qatar and its Gulf neighbours:
On May 20, 2017, Qatar says it is the victim of a smear campaign and rejects accusations of it supporting “terrorism” ahead of a landmark visit by US President Donald Trump to Saudi Arabia.
Trump and Saudi King Salman sign a “strategic vision” agreement to intensify ties in defence, economics and other areas.
In a speech in Riyadh on May 21, Trump urges the international community to isolate Iran and calls on Arab and Muslim states to freeze channels of funding for groups including the Sunni Muslim Islamic State jihadists and Lebanon’s Shiite movement Hezbollah.
The emir of Qatar, Sheikh Tamim bin Hamad Al-Thani, meets Trump on the sidelines of a summit in Riyadh.
On May 24, Qatar says its national news agency has been hacked by unknown parties who have posted “false” statements attributed to the emir, in which he speaks favourably of Iran, Palestinian Islamist movement Hamas, the Muslim Brotherhood and Hezbollah.
Qatar denies all the comments and says it is investigating the alleged hacking, but Gulf media continue to run the statements.
Qatari Foreign Minister Sheikh Mohammed bin Abdulrahman Al-Thani says Doha is the victim of a “hostile media campaign”, particularly in the United States.
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”.
On June 2, a Qatari official says FBI agents are helping Doha in investigating the source of the alleged hacking.
On June 5, Saudi Arabia, Bahrain, Egypt, the UAE, Yemen and the Maldives cut ties with Qatar, accusing it of backing terrorism.
It is accused of backing radical Islamist groups and of not taking a sufficient distance from Iran, Saudi Arabia’s regional rival.
The break-off in relations goes hand in hand with economic measures, such as closure of land and maritime borders, suspension of air links and restrictions on movements by Qataris.
Doha residents flock to stock up at supermarkets.
Turkey calls for dialogue and says it is ready to help defuse the row.
Israeli Defence Minister Avigdor Lieberman says the latest developments involving Qatar could herald a broad anti-terror alliance including Israel.
On June 6, Kuwait’s Emir Sheikh Sabah al-Ahmad Al-Sabah travels to Saudi Arabia for talks aimed at resolving the crisis.
Air traffic is disrupted in the Gulf after several large Arab airlines stop flying to and from Qatar.
More than 30 Qatar Airways flights are cancelled to and from Doha.
Trump says isolating Qatar could mark the “beginning of the end to the horror of terrorism” and backs Saudi Arabia and its allies. He suggests Qatar is funding extremism.
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