- Last year, prosecutors filed a motion to appeal against the acquittals, calling the verdicts "contradictory and illogical"
- Italy's top appeal court examined whether there were irregularities which gave grounds for a retrial, rather than assessing the details of the case
- Knox returned to her Seattle-area home after she was released from prison in Italy and had been scheduled to speak publicly about the trial for the first time on American television in April
- The new trial will be held before a court in Florence
More top news
A 17-year-old boy has been charged with the murder of two men in Ipswich.
The X Factor judge praised the One Direction star for his bravery - after performing on the show just days after his mother's death.
At least 13 people have been killed by a car bomb after two explosions went off close to a football stadium in Istanbul.