Frank Chivers death: Three Blackpool women arrested
Three women have been arrested by detectives investigating the death of a man following a suspected assault.
Frank Chivers, 49, was found unconscious at his house on Walter Robinson Court, Layton, Blackpool on Sunday. He later died in hospital.
A post-mortem examination found he died as a result of a head injury. Police are treating it as murder.
The women, aged 28, 32 and 43, from Blackpool, are being held on suspicion of perverting the course of justice.
A 43-year-old Blackpool man was arrested on suspicion of murder on Friday. He remains in police custody.
Mr Chivers is the father of Paige Chivers, who went missing in 2007 aged 15 and has never been found.
Lancashire Police said there appears to be no link between the two incidents at present.