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.
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Animals at Woburn Safari Park in Bedfordshire have been keeping their cool in the searing heat.
Pollen levels ranging between High and Very High in the hot and sunny weather
A few thundery showers may develop after midday but not everyone will see them. Another hot day but not quite as hot as Wednesday