"It is unfortunate that our neighbors have chosen to invest their time and resources in a baseless propaganda campaign", he said, calling the terrorism accusations a "publicity stunt".
The other Arab powers accuse Qatar of supporting Islamist militants, which it denies, and some of them have criticised Al Jazeera as a terrorist mouthpiece and an agent of interference in their affairs. It said the troops had arrived on Sunday.
However, Pentagon and State Department officials have scrambled to reassure the emirate.
Uber to accept all recommendations given in Holder Report
Attorney Eric Holder on how to reform the company's culture following a months-long investigation by Holder and his team. Recommendations on company improvements will be released to employees on Tuesday, a spokesman said.
Gargash said the monitoring would aim to ensure Qatar was no longer funding extremism, harbouring extremists in Doha, or providing support to the Muslim Brotherhood, Hamas and Al Qaeda.
The deployment made possible by legislation fast-tracked by Turkey following a diplomatic rift between Doha and four other Arab states.
The Turkish parliament fast-tracked legislation allowing the deployment of Turkish troops to Qatar, where it has a military base and approximately 150 soldiers.
According to the agency's latest report, there have yet to be supply disruptions, but exporters of Qatar's crude, condensate, and liquefied natural gas have already faced some logistical problems. In a June 6 tweet, US President Donald Trump praised Saudi Arabia's move. But it so far has avoided economic collapse by quickly finding alternative routes.
Qatar has also denied those charges.
Koepka caps a record week with title
It's the first time since 1998-2000 (Lee Janzen, Payne Stewart and Tiger Woods ) that Americans have won it three straight times. Koepka was the first to strike, making a birdie on the first to go to 12 under and take a share of the lead.
Cavusoglu's meetings with leaders of Qatar, Kuwait and Saudi Arabia were largely closed to the press.
"Turkey's openly pro-Qatar policy stems from its deep economic, political and military engagement which has been built up over the years", Ilhan Uzgel, a senior Turkish analyst of global relations, told Xinhua.
"The humanitarian impact of the blockade is real", he said.
"We have no news concerning one of the boats", he said.
Britain's struggling Co-op Bank says in rescue talks with investors
Meanwhile, the bank said that as well as exploring potential recapitalisation it was also proceeding with its sale process.
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