Two people have been taken to hospital in a serious condition after an assault at Hamilton's St Paul's Collegiate School this afternoon.
One of the two people was arrested, a police spokesman said.
Emergency services were called to Hukanui Rd in Chartwell, Hamilton, about 3.20pm.
"Police responded and assisted St John Ambulance, following which two people were transported to Waikato Hospital with serious injuries," the spokesman said.
Police inquiries into the circumstances of the incident were ongoing, he said.
St Paul's headmaster Ben Skeen said police were dealing with the incident that occurred at the front of school property this afternoon.