The Queen in Ireland
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PM says Queen's Irish tour was a 'game-changer'

27 December 2011 Last updated at 08:32 GMT

The Queen's visit to Ireland earlier this year marked a new level for British-Irish relations according to the prime minister.

In an interview for Irish state broadcaster RTE, David Cameron described the Queen's four-day visit as a "game-changer" in the history of the two nations.

Mark Simpson reports.