Kate Middleton is set to miss the Japan state visit. Buckingham Palace has released new details of Emperor Naruhito and Empress Masako's visit to the UK
Metropolitan Police officers noticed the child had become upset next to the gates of the royal residence in Central London because of the large crowd around him.
Prince Louis is a favourite of royal fans - and his mum Kate was seen fussing over her five-year-old while attending the King's Trooping the Colour birthday celebrations in June