A diver has died during preliminary operations to recover British tech tycoon Mike Lynch's superyacht from the waters off the coast of northern Sicily, local police said. The accident happened on Friday while the diver was underwater in Porticello, police said, adding the precise cause of death was still unknown. According to local Italian media, the diver was a 39-year-old Dutch national who worked for a specialist salvage company. The salvage operation is being overseen by British marine consultancy TMC Marine and led by Dutch-based companies Hebo, a maritime services company from Rotterdam, and SMIT Salvage, with support from Italian...