https://www.reuters.com/article/us-uber-selfdriving/uber-sets-safety-review-media-report-says-software-cited-in-fatal-crash-idUSKBN1I81Z4 >Uber Technologies Inc [UBER.UL] on Monday said it has retained a former top U.S. transportation official to advise it on safety after a fatal self-driving crash in March, but it declined to comment on a technology website's report that a software flaw was responsible for the accident.