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Steve Hilton imposter stops tweets on Downing Street life

7 March 2012 Last updated at 17:02 GMT

An imposter claiming to be David Cameron's adviser Steve Hilton has signed off from Twitter, apparently without the Westminster Village being able to uncover his or her identity.

Andrew Neil, Nick Robinson, Grant Shapps, Jim Murphy and Jo Coburn debated his final tweet as he claimed it was time "leave the wigwam", after weeks of appearing to have a good knowledge of life in Downing Street.

The real Mr Hilton is standing down from his position to go to the US for 12 months.

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