Greater Manchester Police say the Independent Police Complaints Commission are to be informed and updated with any findings in the investigation into the murder of Farhanda Younis in Oldham.
The force say their Professional Standards Branch has been aware of previous police contact with Ms Younis, and an investigation is currently underway to establish if there are any misconduct matters.
A man has been arrested in connection with the murder of a woman in Oldham
A 20-year-old woman was arrested in Oldham earlier today on suspicion of murder. She remains in police custody for questioning.
Neighbours and friends pay tribute to the 30 year old