 LONDON Reuters - The crowning of Britains King Charles III this May will be celebrated with traditional processions, a concert at Windsor Castle, street parties, light shows and community volunteering, Buckingham Palace announced on Saturday. Charles, 74, automatically became king on the death of his mother Queen Elizabeth last September. The grand coronation ceremony for him and his wife Camilla will take place on Saturday, May 6. The crowning, the royal familys major set piece event for 20... 