35 year-old Innes is not the baby’s father and was remanded in custody following his first appearance in court on Monday.
Innes is currently facing one charge of assault.
Police and ambulance staff were called to an address in Swanson, Auckland on Sunday morning, 4 September, where they found an 11 month old infant with critical injuries.
The current state of the boy’s health is unknown. The police investigation continues.