Britain's top EU diplomat quits with blistering attack over Brexit

By Elizabeth Piper and Estelle Shirbon LONDON (Reuters) - Britain's top diplomat at the EU quit his post with a blistering attack on the government, giving voice to what several sources say is wider frustration among officials over Prime Minister Theresa May's Brexit strategy. The early resignation of envoy Ivan Rogers means that London will now launch its negotiations to leave the EU without the guidance of one of its foremost experts on Europe. Brexit supporters said his words were little more