A person has died following a medical incident at the Oji Fibre Solutions Kinleith Mill. 

Emergency services responded to the incident this morning including two ambulances and one helicopter. 

A spokesperson at Oji Fibre Solutions confirmed there was a medical event at mill today and an employee died on site. 

"This is a tragedy for the company; our first thoughts turn to the family and the person's work colleagues" a spokesman said in a written statement. 

He said the company would offer support for affected employees and reach out to the family. 

He said the company had no further comments. 

A police media spokeswoman said police were called at 9.30am and one person died. The circumstances were not suspicious. 

St John responded with two ambulances and a helicopter to the incident after being notified at 8.14am. 

A spokesperson said it was not needed for transportation. 

A Fire and Emergency New Zealand spokesman confirmed the service had been called to a medical event at the mill.