A 16-year-old boy killed by a train at Ranui Train Station in west Auckland was wearing headphones when he was struck.
The teenager was out for a run when he was hit by the train shortly before 7am today.
Police said security camera footage showed the young man was wearing headphones and was unaware of the train approaching as he crossed the tracks.
He died at the scene.
Family members were out looking for the boy after he was late arriving home, saw the emergency services and learned of his death at the scene.
Senior Sergeant Richie Thompson said it was a "very emotional scene for all involved".
"This is the scenario that every parent fears the most and we extend our utmost sympathies to the boy's family."
Police said the boy would not be named today as extended family were still being told.
His death will be referred to the coroner.