A mother and her young son who died after being attacked at a house in Derbyshire had been stabbed, police have revealed.
The 38-year-old woman was found dead in Well Yard, off Town Street, Holbrook, near Belper, on Wednesday.
The woman's 23-month-old son was taken to hospital but later died.
A 44-year-old man also found dead at the house had suffered similar injuries. None of the fatalities have been formally identified.
Post-mortem examinations will be conducted later by a Home Office pathologist to determine the cause of their deaths.
Town Street currently remains closed to traffic and pedestrians.
Officers said they were called to the house late in the morning by a concerned neighbour.
Police said they were not looking for anyone else in connection with the deaths.