Update 3.15pm Fri 22 Feb - The 44-year-old man arrested yesterday on suspicion of murder remains in police custody. The woman, in her 40s, who died has not yet been formally identified. Police are hoping to open Blackstock Road later today.
At approx 11.55am, today, Thursday, 21 February, police received reports that a woman had been attacked on Blackstock Road in Sheffield.
It is believed that the woman, in her 40s, sustained stab wounds and died.
A 44-year-old man, who is thought to be known to the woman, has been arrested on suspicion of murder and is currently in police custody.