The allegations against Tim Yeo come just a week after another Conservative MP, the backbencher Patrick Mercer (pictured), was forced to resign the party whip after being caught up in a another set of lobbying claims.
As a result of those claims, the Speaker, John Bercow, reportedly suspended more than 80 House of Commons passes and the government promised to bring forward a bill to introduce a statutory register of political lobbyists.
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