NORFOLK, England, Dec. 24 (UPI) -- Britain's royal family has been shaken by the violent killing of the queen's favorite corgi, Pharos, by Princess Anne's bull terrier, the London Sun said Wednesday. The lethal attack by the English bull terrier, Dottie, happened Monday afternoon as the royals gathered for Christmas at Sandringham in Norfolk. Anne arrived with Dottie, the dog that mauled two children last year, leading to the prosecution of the princess, and her other bull terrier, Eglantyne. As the door was opened by a servant, the queen's corgis raced down the main staircase to greet Anne. Dottie lunged...