Judges in Italy have outlined their reasons for rejecting the acquittals of Amanda Knox and Raffaele Sollecito over the murder of Coulsdon student Meredith Kercher.

American Miss Knox and Mr Sollecito, her Italian boyfriend, were cleared in 2011, two years after they were convicted of murdering 21-year-old Miss Kercher in the house they shared with her in Perugia.

But, in March, high court judges dramatically overturned the acquittals and ordered fresh examination of the evidence surrounding her death in 2007.In a document published this week, judges revealed their reasoning for the about-turn. 

They declared the acquittals to be full of "deficiencies, contradictions and illogical" conclusions and again raised the suggestion that Kercher died after a group sex game went wrong.

The judges said Rudy Guede, an Ivorian currently serving a 16-year sentence for the murder, was not the sole author" of the crime.

Your Local Guardian: American Amanda Knox is accused of killing British flatmate Meredith Kercher in ItalyYour Local Guardian: Raffaele Sollecito

Amanda Knox and Rafaele Sollecito had their acquittals overturned in March

Miss Knox, 25, and Mr Sollecito, 29, were originally handed 26-year and 25-year sentences after being convicted. 

They will be forced to resubmit their appeal cases later this year.

In April, Knox told USA Today she would like the permission of Miss Kercher's family to visit her grave, in Mitcham Road Cemetery.