Qatar hit out on Monday at four Arab nations for cutting diplomatic ties and transport links over Doha's alleged support for terrorism, accusing them of a "publicity stunt" aimed solely at attacking its image and reputation.

Kuwait's ruler called on Sunday for Gulf Arab states to overcome a diplomatic dispute with Qatar that has led to the worst regional split in years, saying all parties had a duty to preserve regional unity.

Qatar's efforts to force its Gulf neighbours to reopen their airspace to its flights were left unresolved on Friday, two sources familiar with the matter said, after Saudi Arabia argued the closure was part of a bigger political rift that could not be fixed by the United Nation's aviation agency.

The 3 Gulf states (Saudi Arabia, the Emirates and Bahrain) boycotting Qatar responded to the comment issued by Zeid Ra'ad Al-Hussein, United Nations High Commissioner for Human Rights, on June 14, 2017, saying that their decision to cut ties with Doha is “sovereign” and aims at protecting the national security from terrorism.

French President Emmanuel Macron was in Morocco on Wednesday on a 24-hour visit for talks on battling terrorism as well as the Libyan conflict and Qatar's dispute with its Gulf neighbours.

Turkey is not taking sides in a dispute between Qatar and its Gulf Arab neighbours, Turkey's foreign minister said on Thursday during a Gulf tour, according to Arabic media reports.

The diplomatic crisis surrounding Qatar and other Gulf countries has remained a peaceful one for now, but open warfare has been declared in the media -- both traditional and social.

Turkish President Tayyip Erdogan on Tuesday denounced the isolation of Qatar by neighboring states as a violation of Islamic values and akin to a "death penalty" imposed in a crisis that has reverberated across the Middle East and beyond.

Turkish President Tayyip Erdogan on Tuesday denounced the isolation of Qatar as "inhumane and against Islamic values", and said the methods used against the Gulf state were unacceptable, and analogous to a "death penalty".

Iraq is opposed to the isolation of Qatar by Saudi Arabia and other Gulf Arab neighbours because it hurts ordinary citizens, Iraqi Prime Minister Haider al-Abadi said on Tuesday.

Qatar on Monday denounced the sanctions imposed against Doha by Saudi Arabia and its allies as "unfair" and "illegal", as Britain announced talks to try to resolve the crisis.

Britain on Monday urged Gulf states including Saudi Arabia to ease a blockade of Qatar and to find an immediate solution to the impasse through mediation.

Kuwait's emir, who has led mediation efforts this week to resolve the Gulf's worst diplomatic row in years, cautioned on Monday that the dispute could lead to "undesirable consequences", in comments carried by state news agency KUNA.

Qatar is ready to listen to the concerns of Gulf Arab states that have cut diplomatic and economic ties, Kuwait said on Sunday, as it tried to mediate a solution to the worst regional crisis in years.

Saudi Arabia, Bahrain and the United Arab Emirates announced hotlines to help families with Qatari members, their official news agencies reported, after their cutting of diplomatic and transport ties with Qatar led to travel disruption.

Rashed al-Jalahma, 22, has lived almost his whole life in Qatar, but he now faces the decision of whether to stay or return "home" to Bahrain.

German Chancellor Angela Merkel said on Friday she was concerned about the situation in Qatar, adding that all Gulf nations, and also Iran and Turkey, should work together to resolve the regional dispute.

Amnesty International warned Saturday of the "heartbreak and fear" being suffered by potentially thousands of ordinary individuals because of the political dispute in the Gulf that has isolated Qatar.

Egypt and Bahrain kept up pressure on Qatar on Thursday, giving no indication after talks in Cairo between their leaders that they were ready to soften their stance on the diplomatic crisis in the Gulf.

Qatar's credit quality would decline if tensions with its Gulf neighbors continue for much longer, raising the country's debt ratio and hurting banks' liquidity, Moody's ratings agency said on Thursday.