The Scots are generally not fans of Mr. Trump, and protests were already planned for Saturday. A group called “Stop Trump Scotland” said it was organizing a “festival of resistance” against Mr. Trump during the trip and has called on John Swinney, the first minister of Scotland, to cancel plans to meet with him.

Trump, in Scotland for a few days of golfing and bilateral meetings, told reporters upon his arrival on Friday evening that he was looking forward to meeting with von der Leyen, calling her a highly r