The Queen inspects a Guard of Honour outside the Canadian parliament after arriving to attend Canada Day celebrations in Ottawa.
By The Newsroom
Published 1st Jul 2010, 23:07 BST
Updated 1st Jul 2010, 23:07 BST
The Queen and Duke of Edinburgh were due to join thousands of
spectators at a televised concert to celebrate the national day.
The day is both a formal event and a party focusing on the theme "Our Year to Shine: Canada Welcomes the World" and it also celebrates the nation's 143rd birthday.