British technology tycoon Mike Lynch is among six tourists missing after a luxury yacht sank in a tornado off the coast of Sicily, sources said.A body, believed to be that of the vessel's chef, has been found and police divers are trying to reach the hull of the ship, which is resting at a depth of 50 metres.Four of the missing passengers are British and two are American, Italian news website la Reppublica stated.The yacht was carrying 10 crew members and 12 passengers.Fifteen people including M

British technology tycoon Mike Lynch is among six tourists missing after a luxury yacht sank in a tornado off the coast of Sicily, sources said.A body, believed to be that of the vessel's chef, has been found and police divers are trying to reach the hull of the ship, which is resting at a depth of 50 metres.Four of the missing passengers are British and two are American, Italian news website la Reppublica stated.The yacht was carrying 10 crew members and 12 passengers.Fifteen people including Mr Lynch's wife, Angela Bacares, were rescued, according to local media.The British-flagged superyacht, named Bayesian, capsized at about 5am local time off the coast of Palermo when the area was hit by a tornado.Mr Lynch, who founded software giant Autonomy in 1996, was made an OBE for services to enterprise in 2006.