A crisis has erupted between Iran and Western countries - in particular, the UK and US - after a series of incidents in and around the Gulf, a strategically important waterway in the Middle East.
Qatar's foreign minister called for "dialogue" on Wednesday to resolve the Gulf diplomatic crisis, accusing Arab states that have cut ties with Qatar of trying to undermine the nation's sovereignty.
The four Arab nations, which also include the United Arab Emirates, Bahrain and Egypt, accuse Qatar of supporting extremism, a charge which it denies.
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.
The response was delivered by Qatari Foreign Minister Al-Thani who made a short visit to Kuwait, which is acting as a mediator to resolve the diplomatic rift, the official said.
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.
He was to meet later with Kuwait Foreign Minister Sheikh Sabah Khaled Al-Sabah, who has sought to work resolve the standoff.
Al-Jazeera Arabic account described the move as part of an "organised campaign" targeting it. Al-Jazeera has said it has come under cyberattack as well amid the diplomatic crisis.