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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The Olympic and World champion seem unfazed by the electric vehicle which sent him flying in Beijing.
The rapper declared his intention to run at the end of a rambling acceptance speech at the VMAs last night.
As we see in the end of August, we mark the meteorological end of summer 2015.