Detectives investigating a murder and an attempted murder in York say it was an isolated incident.
It on Sunday, 20 October, at a property on Phoenix Boulevard, off Leeman Road.
A woman was declared dead at the scene. She has not been formally identified but police have confirm she was 32-years-old and from the local area.
A second local woman, aged 23, suffered serious injuries.
She was taken by ambulance to York District Hospital where she remains in a stable condition.
A 25-year-old man was arrested at an address at Popes Head Court, in the Peter Lane area, at 2.20am on Monday in connection with the investigation.
He remains in police custody for questioning.