https://www.reuters.com/article/us-uber-selfdriving/uber-hires-safety-adviser-after-fatal-crash-wont-confirm-report-on-software-flaw-idUSKBN1I81Z4 >Uber Technologies Inc [UBER.UL] on Monday said it has hired a former U.S. regulator to advise the company on safety, but would not confirm a technology website's report that a software flaw was responsible for a fatal accident involving one of its self-driving cars in March.