A 25-year-old woman and her two-year-old daughter are staying with family after a fire at their home.
Police and the fire service were called to the house in Broxtowe Avenue, Kimberley, at around 4.30am on Monday (September 23).
No one was injured but the second floor of the house was severely damaged.
There was also minor smoke damage to the neighbouring house.
Police are investigating the circumstances surrounding the cause of the fire.
A 24-year-old man has been arrested in connection with the incident and remains in custody for questioning.
If you have any information call police or Crimestoppers anonymously on 0800 55511.