Six months ago, an air, sea and land blockade was imposed on Qatar by neighbouring countries. Here are the latest developments as of Wednesday, December 20:

Saudi permanently closes land border. According to a letter issued by Saudi Arabia's customs directorate on Tuesday, the Salwa border gate had been shut-off permanently since Monday night.
Finances boosted by Qataris repatriating wealth. The Qatar Financial Centre (QFC) is seeing a surge in business as Qataris register more of their assets at home and multinationals boost their local presence, its chief executive Yousuf al-Jaida told Reuters.
It reflects nervousness among the country's elite that investments registered abroad could be frozen, as well as a desire by international companies to maintain close ties with the world's biggest liquefied gas producer, the chief executive said

QCB launches investigation. "We will not stand by while our country is attacked in this manner," Qatar's central bank governor Sheikh Abdullah bin Saud al-Thani said on Tuesday, according to Reuters, adding that the central bank had hired New York-based law firm Paul, Weiss, Rifkind, Wharton & Garrison LLP to lead the investigation.

Qatar celebrates National Day. Qatar celebrated its National Day on Sunday amid the ongoing Gulf diplomatic crisis.

In a show of support for Sheikh Tamim bin Hamad Al Thani, Qatar set a new Guinness World Record on Sunday for having the highest number of people take part in the creation of a portrait of him dubbed the 'Dignity Image', Qatar's Interior Ministry announced.

مطار #الكويت يستقبل الأشقاء القطريين بالهدايا بمناسبة اليوم الوطني لدولة #قطر 🇶🇦🇰🇼 #KUWAIT #QATAR pic.twitter.com/dx027qihJI
— الزيادي (@AlziadiQ8) December 17, 2017

December 10 - 16

Amnesty International calls for end to siege. The human rights group said on Saturday that the blockade on Qatar is "arbitrarily splitting up families" across the Gulf region.
US official accuses Qatar and Turkey. Turkey's Foreign Ministry responded to Wednesday to remarks made against it by US National Security Advisor HR McMaster.
At a think-tank on Tuesday, McMaster accused Qatar and Turkey of having become the "main sponsors" of "radical Islamist ideology".
Turkey dismissed the allegations as "baseless" and called on the US to "cease all forms of cooperation with terrorist groups such as YPG".
Qatar budgets for blockade. Released on Tuesday, Qatar's 2018 budget plan projects higher spending on supporting food security projects.
Qatar's Finance Minister said that Qatar was determined never again to leave itself as vulnerable as it was in the initial weeks of the blockade, Reuters reported.
UAE official discharged. Yousef Al Serkal, president of the UAE General Sports Authority, was discharged from his position on Tuesday, according to local media.
UAE's local media had earlier criticised Al Serkal over a video that showed him hugging a Qatari official.
Qatar, UK sign fighter jet deal. BAE Systems and Qatar have entered into a contract valued at around $8bn for the country to buy 24 Typhoon combat aircraft, the British defence group said on Sunday.