Donald Trump has left for the US after a whirlwind four-day trip to Scotland.The president mixed business with pleasure in the "private visit", agreeing a major trade deal and meeting the UK and Scottish heads of government in between rounds of golf.

In his most recent financial disclosure, Trump reported hundreds of millions in income from his various properties, including golf clubs and his Mar-a-Lago estate and club. He has also earned millions from other business ventures, including trademarking merchandise like watches and fragrances.