The woman found dead in a house in Teesside has been named as Christine Henderson.
Ms Henderson was discovered in an address on Cherwell Terrace, Middlesbrough.
She had recently lived in the Hartlepool area.
A post mortem concluded the 50-year-old died of stab wounds.
Police continue to question a 47-year-old man in connection with the incident.
More top news
Emma Jesson brings you Saturday night's forecast
Feeling much colder later on Saturday. Wintry showers possible on Sunday and Monday
The pressure group Ashley Out has called for demonstrations outside every Sports Direct store within a 20-mile radius of St James' Park.