Article continues below advertisementEx-Prince Andrew is facing shocking new allegations in an upcoming royal biography.According to an excerpt from Entitled: The Rise and Fall of the House of York by Andrew Lownie, set to be published on May 21, the disgraced royal allegedly "kicked" one of his dogs in the head during a gathering at Sandringham after the animal grabbed food from a guest.Article continues below advertisementSource: MEGAA new royal biography claims ex-Prince Andrew allegedly kicked his dog during a gathering at Sandringham.