Melania Trump visits students at International School in Saudi Arabia

"This is not a battle between different faiths, different sects, or different civilisations", Trump said.

'I think the other thing that was fascinating to me, there was not a single hint of a protestor anywhere there during the whole time we were there, not one guy with a bad placard.' Commerce Sec.

"This is a battle between good and evil", Trump said.

Trump, who disclosed that few nations were now being spared of terrorism, said that America had suffered attacks of Sept 11, the Boston Bombing and killings in San Bernardino and Orlando.

Almost three dozen heads of state and governments from Muslim-majority countries are in the Saudi capital for the Arab Islamic American Summit.

Saudi Arabia rolled out the red carpet for U.S. President Donald Trump on his inaugural overseas trip, but a moment involving a glowing orb had observers scratching their heads.

Israel has expressed concern over the U.S. -Saudi $110 billion arms deal, sealed at the Riyadh Summit.

The Iranian president championed a nuclear deal with the United States and five other major powers in 2015 that led to the lifting of most sanctions against Iran past year in return for curbs on its nuclear program.

President Donald Trump and Saudi King Salman pose for photos after a ceremony to mark the opening of the Global Center for Combatting Extremist Ideology, Sunday, May 21, 2017, in Riyadh. "We have to get to the bottom of it", Trump said in a March 2016 interview with CNN.

His words shocked many Americans, with Trump's critics pointing out that the US Constitution prohibits religious discrimination. "Drive them out! Drive them out of your places of worship, drive them out of your communities, drive them out of your holy land and drive them out of this earth", the president said.

Mr Tillerson referred to the visit as "a moment in time" and suggested that the United States would take a more active role in the future in brokering a deal if both sides make serious commitments.

Trump referred to Sisi as "my friend" and Sisi said the USA president was a "unique personality" and "capable of doing the impossible", to which Trump responded: "I agree!"

An image of President Trump touching a glowing orb at a summit in Saudi Arabia has lit up the internet with its reflective glow. Sadly, we know they won't (unless doing so will somehow benefit them and hurt Iran).

The First Lady - who has been criticised for not wearing a headscarf during the tour of the Middle East - said she felt honoured to witness the work being done for women at the centre.

  • Leroy Wright