<div>U.S. President Donald Trump and Abu Dhabi Crown Prince Sheikh Mohammed bin Zayed of the United Arab Emirates agreed to push for unity among Gulf nations, amid a bitter standoff between Qatar and other U.S. allies in the region.&nbsp;</div>''<div><br />''</div>''<div>The White House said, the two leaders agreed that members of the six-nation Gulf Cooperation Council can and should do more to increase coordination with each other and with the United States.&nbsp;</div>''<div></div>''<div>The UAE, along with Saudi Arabia, Bahrain and Egypt, cut off travel and trade ties with Qatar last June, accusing it of supporting terrorism and their arch-rival Iran. Doha has denied the charges and said the countries aim to curtail its sovereignty.</div>''<div></div>''<div>The dispute pits key U.S. allies against each other and has complicated efforts to maintain a united front against Iran. <br />''</div>