The death of a 45-year-old woman who was admitted to hospital is being treated as unexplained.
Lancashire Police has launched an investigation after the death of Susan Johnson.
The Clitheroe woman was admitted to Royal Preston Hospital on Sunday 1 December at 10.39pm with a serious head injury.
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Susan, of Whalley Road in the Ribble Valley town, was later pronounced dead at hospital.
Police say her death is currently being treated as unexplained and enquiries are continuing.
A post morterm has taken place and proved inconclusive as to the cause of Susan’s death.
Detective Chief Inspector John McNamara of the Major Investigation Team said: “First and foremost my thoughts are with Susan’s family. They are being supported by officers.
“Our investigation is ongoing and at this time it remains unclear exactly how Susan has died and what has caused her death, and I have a team of officers and staff who are working tirelessly to try and establish what has happened so we can provide some answers to her family.
“If anyone has any information which they feel could help us in our enquiries then I would urge them to get in touch.”
A 35-year-old man from Clitheroe has been arrested and bailed pending further enquiries.
Anyone with information should contact police on 101 quoting log 1400 of December 1.
Or Crimestoppers, an independent charity, can be contacted on 0800555111 and information given anonymously.
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