A royal expert has said that Meghan Markle and Prince Harry have been subjected to “disturbingly violent threats” following their recent return to the UK.The Duke and Duchess of Sussex’s unofficial biographer Omid Scobie revealed all in a new op-ed as he called for the couple to be provided with efficient security, after he claimed they received threats during their Platinum Jubilee trip in June. Mr Scobie spoke of how he has also become victim to these alleged threats.The biographer wrote on Yahoo News: “Sources tell me that during the Sussex family’s visit for the Platinum Jubilee (which they were given state security for as it was an official royal event), a number of credible threats were intercepted by authorities.