Police say a mother is killed and a 12-year-old girl is seriously injured following an incident at a home in Mills Street, in Perth’s suburb of Bentley. Both outlets report that officers are treating the incident as family violence. The woman’s death and the girl’s injuries are being investigated by police, who say the circumstances occurred at the residence. Authorities state that a 16-year-old boy is in custody in relation to the incident. The reports provide no further details on the cause of the injuries or the events leading up to the response. Police continue to investigate the matter and assess evidence gathered at the scene. The West Australian and PerthNow both describe the incident in consistent terms: a mother dies, a young girl is injured, the matter is regarded as involving family violence, and the teenage suspect is held by police pending further inquiries. No additional information about charges, motives, or the condition of the injured girl is provided in the supplied summaries.