Meredith Kercher's sister Stephanie and brother Lyle have spoken to the media after Amanda Knox and Raffaele Sollecito have had their guilty verdicts for the murder of the British student reinstated by judges.
They said that they are "still on the journey to the truth" and that America "should extradite" Knox.
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The 36-year-old has not been seen or heard from since Thursday evening.
Sophie Neville, cast as Titty as a young child in the 1974 classic Swallows and Amazons, is advising its modern-day adaptation.
At least two people are feared dead in the attack which is the latest on medical facilities in the war-torn country.