Speaking after meeting Qatari foreign minister Sheikh Mohammed bin Abdulrahman Al Thani, Mr Johnson said: "I have been in touch with my counterparts across the region about the current tensions with Qatar".
Pakistan's parliament last week passed a resolution urging the Pakistani government to help mediate the crisis, which could turn out to be disastrous for the regional security and stability.
Qatar has also negotiated new cargo handling arrangements in the Omani ports of Sohar and Salalah, avoiding the need for goods to stop in the UAE.
But the document contains at least two names already designated internationally as terrorist financiers, and against whom Qatar took action, according to a previous US Department of State report. Al Khayyat is one of Qatar's biggest businessmen in the construction industry and has even built the biggest mall of Qatar.
Qatar has also appealed to worldwide aviation authorities to rule as illegal the overflight ban imposed on Qatar Airways by its neighbours, and has briefed lawyers to challenge the flight and other restrictions in the courts. They've also hired former Attorney General John Ashcroft's firm as its lobbyist, agreeing to pay US$2.5 million (S$3.45 million) to get help complying with USA money laundering and counter-terrorism financing regulations and to stress its efforts to combat global terrorism, according to disclosures filed under the Foreign Agents Registration Act.
Across the US, marches and rallies in support of LGBT rights
Vice President Mike Pence signed the country's first state religious freedom bill into law in IN during his governorship in 2015. It was organized to commemorate the 1969 Stonewall riots, an uprising triggered by a police raid of a gay bar in New York City.
Thinking of wearing your Barcelona football shirt on holidays to Saudi Arabia anytime soon?
Qatar shares control of a vast underwater gas field with Iran, which lies on the other side of the Persian Gulf.
Saudi Arabia, the United Arab Emirates, Bahrain and Egypt cut diplomatic and transport ties with Qatar a week ago, accusing it of fomenting regional unrest, supporting terrorism and getting too close to Iran, all of which Doha denies.
Qatari Finance Minister Ali Shareef Al-Emadi has dismissed concerns that his country is dependent on Gulf neighbors for food imports. Qatar has found itself isolated following a decision by Saudi Arabia, the UAE, Bahrain and others to cut ties with Doha over its support for "terrorism", a charge the tiny Gulf emirate vehemently rejects.
Saudi state news agency SPA reported late on Sunday that King Salman has ordered authorities to "take into consideration humanitarian situations of Saudi-Qatari joint families", appearing to clarify the previous announcements.