As well as the chair of the Environment Agency, Environment Secretary Owen Paterson also admitted today that his department "can always do better" in dealing with the flooding crisis.
Mr Paterson had come under pressure from Shadow Environment Secretary Maria Eagle, who told the Commons: "People are increasingly asking if the Secretary of State is up to his job."
ITV News political correspondent Carl Dinnen reports:
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Mr Osborne said he is "not the person to provide the unity my party needs".