WATCH: US President Donald Trump arrives in Saudi Arabia for three-day tour

US President Donald Trump has arrived in Saudi Arabia as he embarks on a three-day visit to the region, visiting Qatar and the United Arab Emirates.Trump is meeting with Saudi Crown Prince Mohammed Bin Salman, and is expected to offer Saudi Arabia an arms package worth more than $100billion, sources told Reuters. This could include a range of advanced weapons including C-130 transport aircraft.WATCH ABOVE.