Auckland Transport (AT) says it is assisting police after an attack on one of its staff at Sylvia Park train station this afternoon.
The train manager on an eastern line service was attacked on the platform about 3.35pm, receiving minor stab wounds, a statement from AT said.
Four young people have been arrested in relation to the incident and are being spoken to by police.
Eastern line services are currently disrupted as police attend the scene, while passengers are advised to check the AT Mobile app or @AT_TravelAlerts Twitter feed for updates.
An AT spokesperson says the train manager was transported to Middlemore Hospital by rail to receive treatment immediately after the attack.