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LONDON, UNITED KINGDOM - JULY 19: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) David Johnston, Governor General of Canada, holds Queen Elizabeth II's arm as she departs Canada House after attending a celebration to mark Canada's 150th anniversary of Confederation on July 19, 2017 in London, England. (Photo by Max Mumby/Indigo/Getty Images)
LONDON, UNITED KINGDOM - JULY 19: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) David Johnston, Governor General of Canada, holds Queen Elizabeth II's arm as she departs Canada House after attending a celebration to mark Canada's 150th anniversary of Confederation on July 19, 2017 in London, England. (Photo by Max Mumby/Indigo/Getty Images)

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    Canadian official touches Queen Elizabeth

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Canadian official touches Queen Elizabeth

Canada's Governor General David Johnston helped Britain's Queen Elizabeth down some stairs and ended up raising eyebrows, after touching the monarch's elbow, in defiance of royal protocol.

Canadian official touches Queen Elizabeth

Canada's Governor General David Johnston helped Britain's Queen Elizabeth down some stairs and ended up raising eyebrows, after touching the monarch's elbow, in defiance of royal protocol.