In pictures: Queen's Canada trip

1 of 6 Queen Elizabeth II arrived with the Duke of Edinburgh in Regina, at the start of a nine-day visit to Canada.

2 of 6 The tour marks 100 years since Saskatchewan and Alberta provinces were officially incorporated into Canada.

3 of 6 The Queen and Chief Alphonse Bird paid tribute to Canada's First Nations Peoples who fought in World War II.

4 of 6 Children from the First Nations - as Canada's indigenous population are known - peered through railings as the Queen passed.

5 of 6 Older locals at the University presented the Queen, Canada's head of state, with flowers.

6 of 6 The Queen's visit may be caught up in a mounting crisis surrounding the Canadian Prime Minister Paul Martin.