The woman in her 60s was pronounced dead at the scene.
The victim was reportedly assaulted after meeting a male on a bicycle at around 3am on Saturday.
The Cardiff City footballer died after the plane he was travelling in crashed into the English Channel in January.
Laurence Vonderdell, 50, to serve 14 months in prison.
She died after taking a class A party drug.
Sala was identified by the Dorset coroner.
The arrested man is in a serious condition in hospital.
60-year-old went missing during race.
Partygoers complained of stinging eyes and coughing.
Broughton was known to Michie.