The street rally, which organizers hope could draw 100,000 people or more, will feature a giant “Trump Baby” balloon — a cartoonish depiction of the U.S. leader in diapers and clutching a mobile phone.

London Mayor Sadiq Khan extended his long-running feud with Trump by approving the permit for the balloon to float above the Palace of Westminster. The mayor, a prominent leader of the opposition Labour Party, has repeatedly said that Trump is not welcome in his city…

British officials are worried about what will transpire, especially following a series of uneven conversations between May and Trump, who has expressed frustration about likely protests. British diplomats have met with a number of White House officials about the visit, including top adviser Stephen Miller and Chief of Staff John F. Kelly.

They have given him a light schedule, with plenty of “executive time,” and have looked for perks to present.