David Cameron has unwittingly cited an Iain Duncan Smith parody account in a tweet championing the Government's benefits cap roll-out.
The Prime Minister announced he was working with @IDS_MP - a Twitter user who exclaims "Chin chin old bean" in his profile bio.
Other tweets from @IDS_MP lament the rising cost of foie gras and predict that working class children will grow up to become drug dealers.
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The Tory peer and former Marks & Spencer chief has been named as chairman of the 'In Campaign'.
Delicately worded memo by then press chief from 1985 is among cache of newly released documents from former PM's private files.
Cloud and showery rain may linger across the far northwest throughout Saturday.