US Secret Service transport First Lady Jill Biden, police escort Olena Zelenska, and various other delegates arrive at Downing Street for meetings with the Prime Minister ahead of the Coronation of King Charles III this weekend. First Lady of the United States, Dr. Jill Biden, is representing the USA at the coronation, and likewise First Lady Zelenska representing Ukraine. Both received a substantial police escort for their large motorcades due to the security risk, with the US flying in their own armoured Chevrolet Suburbans. Various world leaders also attended Downing Street. List coming soon.