Uber driver tells UK tribunal he earned less than the minimum wage

By Costas Pitas LONDON (Reuters) - An Uber [UBER.UL] driver told a British tribunal on Wednesday he had earned less than the minimum wage, despite the firm saying he received nearly three times as much, in a case that could threaten the app's business model. Lawyers are representing two drivers at an employment tribunal, arguing that Uber is acting unlawfully by not offering rights such as holiday and sick pay. Uber, which allows users to book and pay for a taxi by smartphone, says its more than