A former billionaire who was the primary target of what prosecutors called the biggest hedge fund insider trading case in US history has been sentenced to 11 years in prison.

One of America’s richest men accused of a massive insider trading case denied cheating and claimed the US government misled a judge to obtain wiretaps.

One of America's wealthiest men was arrested on the day he was due to fly to London over a £15.6m (€17.11m) insider trading case.