U.S. Secretary of State Mike Pompeo will travel to Saudi Arabia and the United Arab Emirates (UAE) following the attacks on Saudi Arabia's key oil facilities, said the U.S. State Department on Tuesday. 

Pompeo will travel to the Saudi city of Jeddah and Abu Dhabi, the capital of the UAE, on Sept. 17-19, said the statement. 

In Jeddah, the top U.S. diplomat will meet with Saudi Crown Prince Mohammed bin Salman to discuss the recent attacks on the Kingdom's oil facilities and "efforts to counter Iranian aggression in the region," according to the statement. 

In Abu Dhabi, Pompeo will talk with Sheikh Mohammed bin Zayed Al Nahyan, crown prince of Abu Dhabi of the UAE, to discuss regional and bilateral issues, the statement added. 

Pompeo's trip came after Saturday's drone attacks on oil production facilities in eastern Saudi Arabia, which has raised global concerns over the broader Middle East and led to the surge of global oil prices. 

Vice President Mike Pence announced that Pompeo was on his way to Saudi Arabia to "discuss our response." 

"As the president said, we don't want war with anybody but the United States is prepared," Pence said in a speech to the Heritage Foundation think tank in Washington. 

"We're locked and loaded and we're ready to defend our interests and allies in the region, make no mistake about it," he said, echoing President Donald Trump's words on Monday. 

A U.S. official, speaking on condition of anonymity, told AFP that the Trump administration has concluded that last weekend's attack involved cruise missiles from Iran and that evidence would be presented at the UN General Assembly next week. 

The apparent hardening of the U.S. position came as Iran's supreme leader ruled out negotiations with Washington "at any level." 

This appeared to dash remaining hopes for a dramatic meeting between Trump and Iranian President Hassan Rouhani at the United Nations next week. 

Speaking to reporters on Air Force One over California, Trump said he too had cooled on what had always seemed to be a diplomatic longshot. 

"I never rule anything out, but I prefer not meeting him," Trump said.