Former UK Prime Minister David Cameron has suggested he will cooperate with a series of inquiries taking place into lobbying.
He's faced criticism over his contact with current ministers when he was working for Greensill Capital prior to its collapse.
An ex senior Civil Servant has also been caught up in the row after it emerged he was still working for government when he took up a role with Greensill in 2015.
Former House of Commons Clerk Eliot Wilson believes the issues need to be looked into separately.
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