Leveson report: Newspapers in legal bid to halt royal charter
30 October 2013 Last updated at 07:21 GMT
Newspaper and magazine publishers are seeking a last-minute injunction to stop the proposed royal charter on press regulation being approved on Wednesday.
They will argue at the High Court that the Privy Council failed to consult the industry or to consider its alternative charter properly.
They fear the cross-party charter, drawn up in the wake of the phone-hacking affair and subsequent Leveson Inquiry, amounts to the end of the free press in the UK - a claim its supporters deny.
David Sillito reports.