Passers-by outside Buckingham Palace react to the announcement that Britain's Queen Elizabeth II has tested positive for Covid-19, with one passer-by saying "She's a symbol of the nation... obviously I wish her well". Buckingham Palace says the Queen is experiencing mild cold-like symptoms and plans to continue light business work while she recovers. Her positive test comes within a fortnight of her son, Prince Charles, also testing positive along with the Duchess of Cornwall. IMAGES AND SOUNDBITES