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WPP advertising group reports strong full-year results

1 March 2013 Last updated at 11:31 GMT

Advertising giant WPP has reported better-than-expected full-year results, recovering from stumbles earlier last year.

The company recently moved its headquarters back to London from Dublin following tax cuts brought in by the government.

Its chief executive, Sir Martin Sorrell, said the group had achieved its objectives, but it had been a difficult year.