Police have decided that the death of Bury St Edmunds woman Tracey Hammond will no longer being treated as suspicious.
Two people arrested in relation to her death will face no further police action.
Ms Hammond was found deceased at a property in Anselm Avenue on Sunday 27 October 2013.
Police subsequently arrested a 49-year-old man and a 22-year-old man, both from Bury St Edmunds, on suspicion of murder. They were released on police bail.
A Home Office post mortem examination was carried out but the cause of her death remained unascertained, with further tests being required.
An additional independent post mortem examination and toxicology tests were conducted and the formal cause of death has been established as an acute subdural haematoma.
A police statement issued today said that a major investigation into the circumstances of Ms Hammond’s death had, to date, resulted in the conclusion that her death was not suspicious. A file will now be passed to the Coroner so that inquest proceedings can be started.
The bail of the two men has now been cancelled and they will face no further action said the statement.