Police have revealed more information about the suspect connected to an assault outside Papakura Intermediate School in Auckland

Emergency services transported a patient to Middlemore Hospital.

The intermediate school, and several others nearby, were temporarily thrust into lockdown as a precaution.

Police say the incident didn't occur on any school grounds and isn't connected to the intermediate.

Shift Commander Kerry Watson says a large police presence is still in the area to catch the suspect.

He says they're believed to be a male, under 35, dressed all in black, and may have a light coloured backpack.