Mike Lynch drowned and deaths of three others under investigation — inquest

The officer said the time of death for all four was recorded as 5am the same day.

Hannah and Mike Lynch who died after the luxury yacht Bayesian sank off the coast of Sicily (Family photo/PA)

Tech tycoon Mike Lynch drowned and the causes of the deaths of three other British nationals remain under investigation following the sinking of the Bayesian superyacht off the coast of Sicily, a series of inquest openings has heard.

Billionaire entrepreneur Dr Lynch, 59, his daughter Hannah Lynch, 18, Morgan Stanley International bank chairman Jonathan Bloomer, 70, and his 71-year-old wife Judy Bloomer were among those on the stricken vessel.