The Washington Post's story cited unnamed U.S. intelligence officials as saying newly-analysed information confirmed that on 23 May senior members of the UAE government had discussed a plan to hack Qatari state media sites.
The attack involved planting fake statements - falsely attributed to Qatar's emir, Sheikh Tamim Bin Hamad al-Thani, in which he 'spoke favorably' of Iran, Hamas and Hezbollah - into QNA reports. But the officials said it was unclear if the UAE hacked the websites or paid for them to be carried out, the newspaper said.
According to the Post report, unidentified United States intelligence officials last week discovered new information revealing that UAE officials had discussed the planned hacks on May 23, just days before they occurred.
Speaking at the Chatham House forum in London on Monday, UAE Foreign Minister Anwar Gargash denied the veracity of the claims, the Guardian reported.
"The UAE had no role whatsoever in the alleged hacking described in the article", according to the statement.
In response, Saudi Arabia, the UAE, Egypt and Bahrain cut diplomatic and transport ties with Qatar on June 5, accusing it of supporting "terrorism".
Le Drian, who is due in the United Arab Emirates Sunday night, stopped in Qatar and Saudi Arabia at the start of his two-day Gulf tour on Saturday.
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The U.K. company posted a statement on their website Monday claiming that someone else used the name to list the item. Comedian Travon Free tweeted that the same product appeared on Amazon but was "listed minus a certain word".
But the Post said when asked, officials reiterated a statement from their attorney general.
The US state department has not officially responded to the Washington Post's report. Qatar also rejects allegations it has supported terror groups.
Mr Gargash said Qatar's neighbours were prepared to continue the boycott for months if it did not comply with the list of demands it was handed last month and agree to worldwide monitoring.
"The nation of Qatar has, unfortunately, been a funder of terrorism, and at a very high level", Trump said. Qatar's sovereignty and curb freedom of the media prompted the alliance to adopt six principles that repackaged the demands and removed some of the sharp edges.Much like the original demands, those principles also failed to garner the kind of worldwide support the alliance needs to push forward with a tightening of the screws on Qatar.
Saudi Arabia's move was welcomed by United States president Donald Trump despite a large U.S. presence at the Al Udeid Air Base, the primary base of USA air operations against the Islamic State.
Le Drian agreed that "solving this crisis should be done by the Gulf countries themselves", reiterating Paris' support for the Kuwaiti mediation.
It is understood the FBI has been assisting Qatar with an investigation into the hack for several weeks.