Detectives are continuing to investigate the death of a woman in Preston.
Police received a concern for welfare report and attended an address on Fir Trees Avenue, in the Grange area of the city, at around 11pm on Sunday (February 16).
Sadly the body of a woman was found at the address. She has since been formally identified as a 29-year-old woman from Preston.
A Home Office post-mortem has taken place and a cause of death yet to be established.
A 26-year-old man from Chesterfield was arrested on Monday (February 17) on suspicion of murder. He has since been released under investigation pending further enquiries.