A four-year-old girl has died in hospital after she and a 35-year-old woman were found injured in a home in south London.
The pair were discovered in a property in Monarch Parade in Mitcham on Tuesday afternoon.
No arrests have been made and police are not looking for anyone else in connection with the incident.
Police said the woman is in hospital with life-threatening injuries.
The child was pronounced dead shortly after being taken to hospital.
Police said next of kin have been informed and a post-mortem will take place in due course.
Officers remain in the area and a crime scene is in place as enquiries continue.