Emergency services are at the scene of a serious crash in Auckland's Mt Wellington which has left a person in a critical condition.
The crash happened at the intersection of Penrose Rd and Barrack Rd.
A St John spokeswoman said one person was being taken to Auckland City Hospital in a critical condition.
Police believe the person may have suffered a medical event; however the Serious Crash Unit is investigating. Penrose Rd is closed between Ruawai and Barrack Rds while officers examine the scene.
The ambulance service was called at 12.49pm, with two manager vehicles and one ambulance attending. Police were called around 12.50pm.