Billionaire Mike Lynch's co-defendant in US fraud trial 'died from head injuries after being hit by car as it crested bridge' - days before tycoon lost his life in superyacht sinking

Stephen Chamberlain (left and right) was out on a run in Cambridgeshire on August 17 when he was hit by a car as he crossed road. His former business partner Mike Lynch (inset), died just days later.