Mayor of London Boris Johnson has said Lord Justice Leveson's imminent report on the future of press regulation should be taken "very seriously".
He told Murnaghan: "The present system has obviously failed and it doesn't carry confidence with the public at large."
He added that he did not want politicians influencing the media's agenda.
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The text-to-register service allows mobile users to add their number to the Telephone Preference Service 'do not call' database.
A consumer report found that a number of once-a-day sunscreens decreased in protection by an average of 74% after six to eight hours.
It will be mainly dry across the UK, but parts of Wales and England may experience thundery showers.