Tesla Inc. CEO Elon Musk revealed that both Saudi Crown Prince Mohammed bin Salman and former U.S. President Donald Trump were impressed by the company's Optimus humanoid robot during a demonstration in Riyadh where the robot danced to "YMCA.

President Donald Trump was in Saudi Arabia on Tuesday, the first leg of his three-nation visit to the Middle East this week meant to tackle multiple crises and conflicts across the region.

President Donald Trump and Saudi Crown Prince Mohammed bin Salman posed as the 'Y.M.C.A.' song played in the background.