British tech giant Mike Lynch among those missing after luxury superyacht sinks in storm off Sicily  9NewsBillionaire among missing as yatch sinks  news.com.auBritish tycoon Mike Lynch missing after luxury yacht sinks off Sicily  The Australian Financial ReviewBritish tech entrepreneur Mike Lynch missing after superyacht sinks in storm off coast of Sicily  ABC NewsWho is Mike Lynch, the UK tech boss missing in superyacht sinking?  The Guardian