Earlier, Plaid Cymru AM Rhodri Glyn Thomas, who made the request to obtain the documents, said: "The FOI information we have received shows S4C making it absolutely clear to DCMS that they would be acting unlawfully and would indeed be in a situation of ultra vires if they agreed to return any money or indeed agree to a reduction in their funding".

BBC: Doubts over minister's claim S4C agreed ?2m cut