Italian special forces divers have recovered potentially crucial video equipment from the wreck of Mike Lynch’s superyacht, which could explain how it sank. Seven people, including the British tech tycoon and his 18-year-old daughter Hannah, died when the Bayesian sank in severe weather off the coast of Sicily last month. The divers, from an Italian navy unit equivalent to Britain’s Special Boat Service, recovered video surveillance systems, computers and hard drives that will be sent to specialised labs, a source close to the investigation told Reuters. It is hoped that, if the equipment was recovered intact, it may help investigators...