Lord Stevens said he had encountered an atmosphere of mistrust between the press and the police. He tried to change that by encouraging his officers to talk to the press.
He said he had had 12 separate meetings with Rebekah Wade, former news editor of the News of the World, but he said he had not favoured any one particular newspaper group and he would have investigated phone hacking had it happened in his time very thoroughly.
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Rain will spread southeastwards through N. Ireland, Wales and England overnight.
The woman used her daughter's own Facebook page to live-stream the attack after the teenager posted provocative pictures online.
A senior employee at the organisation reportedly derided the three-year-old royal for being 'royal, rich' and "advantaged'.