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Queen drops in on wedding party at Manchester Town Hall

24 March 2012 Last updated at 15:30 GMT

The Queen has dropped in on a wedding at Manchester Town Hall, while touring the city as part of the Diamond Jubilee celebrations.

She and the Duke of Edinburgh met newlyweds John and Frances Canning, who had booked the venue before the royal visit was announced.

The royal couple were attending a lunch at Manchester Town Hall, hosted by the lord mayor, and changed their itinerary to meet the Cannings.