Around 4:40pm yesterday, Thursday 5 December 2019 it will be alleged two boys and girl approached a man in his 60's outside a house on Cobblers Road, Falcon.
The group were in possession of knives and during the altercation, the victim received a deep laceration to his stomach.
The victim ran behind a gate on his property to get away from the group and the group left the scene.
Police were called and St John's Ambulance attended to treat the victim. He was conveyed to Royal Perth Hospital.
The victim required emergency surgery to treat his injuries.
Police patrolled the area and a short time later, two males were arrested in bushland near to the scene. A girl was arrested in Mandurah around 7.45pm.
A 15 year old boy from Dawesville, 16 year old girl from Halls Head and a 17 year old boy from Falcon have each been charged with:
With Intent to do Grievous Bodily Harm Does Grievous Bodily Harm to Another.
All were remanded in custody overnight and are due to appear in the Perth Children's Court today, Friday 6 December 2019.
