Police are investigating a tragic incident where a teenage boy allegedly killed his mother and critically injured his 12-year-old sister in a suspected case of domestic violence. The harrowing events unfolded in Bentley, with the mother found deceased at a property on Mills Street, while the injured girl was discovered about 600 meters away along a bustling highway in Cannington after managing to escape and contact authorities.

Authorities have arrested the 16-year-old boy, believed to be responsible for the attacks, with the Major Crime Division noting that both victims had apparent stab wounds. The boy was apprehended at a residence in Bentley, and police have assured the public that there is no further threat to the community.

The girl is currently receiving medical care at Perth Children’s Hospital, and investigators are delving into the family’s history with law enforcement and support services to shed light on the circumstances leading to the tragedy. The residence remains a sealed-off crime scene as detectives canvass the neighborhood for information and evidence.

No charges have been filed as the investigation remains ongoing, with authorities meticulously examining all available clues and speaking to relevant witnesses to piece together the events that transpired.