Auckland Council's animal management spokesperson Kerri Fergusson told Stuff the boy is at Middlemore Hospital being treated for bites and scratches to his leg and face.

"Our thoughts are with the boy and his family, who have been left traumatised by this incident."

She says animal management is taking the incident "very seriously".

"We will be speaking with the boy's family as soon as we can to get any more details about the attack."

Rongomai School asks people to contact Animal Control on 0800 462 685 if they have any information about the attack.