The United Arab Emirates' presidential adviser said Sunday that his country hopes a diplomatic breakthrough in Qatar-led mediations is possible to avert a new round of confrontation between the U.S. and Iran.

The Iran war, which began on Feb. 28 with joint strikes by the U.S. and Israel followed by attacks by Iran on the Gulf nations, has made it "a watershed year" for the region and the world, UAE presidential adviser Anwar Gargash said at a security forum in Bahrain.