Former British envoy to US, Christopher Meyer, dies

FILE PHOTO: Christopher Meyer, a former chairman of the Press Complaints Commission (PCC), returns after a lunch break to continue to give evidence at the Leveson Inquiry into the culture, practice and ethics of the press at the High Court in London January 31, 2012. REUTERS/Andrew Winning

(This July 29 story corrects cause of death in paragraph 7)

LONDON (Reuters) - Prime Minister Boris Johnson on Friday led tributes to Britain's former ambassador to the United States, Christopher Meyer, who served as the go-between for George Bush and Tony Blair and has died at the age of 78.