A woman who died at her home in Harlow on Sunday has been formally identified as Claire Parrish, 37.
Miss Parrish, who lived at Copshall Close, died shortly after being admitted to Princess Alexandra Hospital.
A provisional post mortem examination result has shown that the cause of death was "blunt force trauma which caused internal bleeding".
A 45-year-old man from Harlow, who also received treatment at Princess Alexandra Hospital, was arrested on suspicion of murder and remains in police custody.
More top news
Swansea City winger Kenji Gorre has joined Northampton Town in a six-month loan deal.
A man from Luton who murdered his girlfriend's baby boy has been sentenced to life in prison.
A barmaid who had allegedly been raped and murdered was found dead with her hair pulled up like "a halo", a court has heard.