a second chinese city is locked down and the winter olympics venues are sealed off as officials rush to contain outbreaks of covid a month before the games begin. novak djokovic claims medical exemption from receiving a covid jab and prepares to travel to australia to defend his tennis open title. and former tech billionaire elizabeth holmes founder of the health company theranos is found guilty of fraud over her failed blood testing technology. hello and welcome. lawyers for prince andrew are attempting to have a civil claim for sexual assault against him thrown out at a court in new york. virginia giuffre is suing him for allegedly sexually assaulting her when she was 17. prince andrew has consistently