Phoenix has been located safe and well.
A 36-year-old man has been taken into custody and is assisting police with their inquiries.
Police are seeking urgent public assistance to help locate 7-year-old Phoenix l who was taken from his school in Harrisdale by a family member.
About 9:40am, a male family member riding a black motorcycle with red fuel tank, believed to be a Yamaha, attended the school and left with Phoenix.
Information obtained since that time suggested Phoenix may have been in imminent danger.
He was last seen on the rear of the motorcycle travelling along Tonkin Highway near Hale Road.