Guardian investigative journalist Nick Davies told BBC Radio 4's Today programme this morning that the paper will publish more hacking revelations involving News International journalists tomorrow, keeping up pressure on the company.
Davies said he had sent an email to former News of the World editor Andy Coulson, now head of communications for the Conservative Party, asking him if he had been aware of the phone hacking but had received no reply. Davies said he had no evidence that Coulson was directly involved.
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