The Trump Administration and Qatar have signed an MoU to combat financing of terrorism, with the US describing it as a major step, amid the increased isolation of the Arab state.
UN Security Council has told Qatar to sort out its differences with its Gulf neighbours, China's ambassador said, indicating the top UN body would not get involved in the dispute.
Egypt will host the foreign ministers of Saudi Arabia, the United Arab Emirates and Bahrain on Wednesday to discuss the crisis with Qatar, Cairo's foreign ministry said.
A deadline was extended Monday for Qatar to accept 13 demands by several Arab states in return for lifting a de facto blockade.
Saudi Arabia, the United Arab Emirates, Bahrain and Egypt agreed to give Doha an extension to respond positively to their demands.
He was to meet later with Kuwait Foreign Minister Sheikh Sabah Khaled Al-Sabah, who has sought to work resolve the standoff.