A person has been seriously injured after a fire broke out in a commercial property in East Tamaki this morning. 

Emergency services were called to the fire at Stonedon Dr at 11.35am. 

The fire broke out in a car housed inside an industrial unit, Fire and Emergency Northern communications shift manager Carren Larking said. 

Four fire trucks attended and a fire investigator is now on site to determine the cause of the fire. 

A St John spokesperson said an ambulance and rapid response vehicle attended and transferred one person in a serious condition to Middlemore Hospital.