Kuwait's ruler, who is trying to mediate an end to the Qatar diplomatic crisis, is travelling to Washington to meet with US President Donald Trump.
The office of Kuwaiti Amir Shaikh Sabah Al Ahmad Al Jaber Al Sabah says he leaves on Friday for the US.
Shaikh Sabah is scheduled to meet with Trump on Thursday.
The 88-year-old ruler of the oil-rich staunch US ally has so far been unsuccessful in his efforts to end the crisis.
The dispute began on June 5 when Bahrain, Egypt, Saudi Arabia and the United Arab Emirates all cut ties to Doha over allegations Qatar funds extremists and has ties that are too warm with Iran. Qatar long has denied funding extremists.
US officials also have shuttled among the countries, seeking to end the crisis engulfing America's Mideast allies.
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