The decision by the Court of Cassation adds a further twist to a long-running case whose initial handling was sharply criticised by independent forensic experts.
Prosecutors accused Amanda Knox and her ex-boyfriend Raffaele Sollecito of assaulting and killing Kercher in 2007.
They were initially found guilty and sentenced to 26 and 25 years in prison respectively.
In 2011, their convictions were overturned and they were released after serving four years.
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For the first time in its 34-year history, the editorial board of USA Today have taken a side in a presidential election race.
Thousands of vehicles have been confiscated by police forces because their drivers were either not insured or did not have a valid license.
Across all of the Help to Buy schemes, 185,000 homes were brought, including 150,000 properties to first time buyers.