Donald Trump offers to resolve Gulf crisis, UAE tightens squeeze on Qatar

The four countries also cut transport links to tiny gas-rich Qatar

U.S. President Donald Trump offered on Wednesday to help resolve a worsening diplomatic crisis between Qatar and other Arab powers as the United Arab Emirates invoked the possibility of an economic embargo on Doha over its alleged support of terrorism.

In his second intervention in the row in as many days, Trump urged action against terrorism in a call with Qatari Emir Sheikh Tamim bin Hamad al-Thani, a White House statement said.

"The President offered to help the parties resolve their differences, including through a meeting at the White House if necessary," it said.

Trump, in a later call with Abu Dhabi's crown