King Charles III’s coronation is well underway — under the dark of night — in London.The elaborate run-through took place overnight from Buckingham Palace to Trafalgar Square and Downing Street and then onward to Westminster Abbey.Thousands of soldiers from the army, navy and RAF participated in the practice in the evening, with many onlookers trying to get a glimpse of the session.The Diamond Jubilee State Coach and Gold State Coach were also spotted trailing down the Mall for the rehearsal.