Day one of the trip saw the two sides announce a $142bn (£107bn) arms deal, as well as a raft of other investments that Saudi Arabia's crown prince said could eventually be worth $1tn. Trump also made Saudi Arabia the first foreign stop during his first term, in 2017. The rest of his gulf tour will include stops in Qatar and the UAE.

The U.S. has agreed to sell Saudi Arabia an arms package worth nearly $142 billion, the White House announced Tuesday, as President Donald Trump kicked off his Middle East trip in Riyadh.Described by the Trump administration as "the largest defense cooperation agreement" in history,

U.S. President Donald Trump said on Tuesday that the United States was adding over $1 trillion in investments with his trip to Saudi Arabia, citing multibillion-dollar commercial deals expected with large companies including Amazon,