Police said a pair of sneakers was taken, and the 15-year-old required hospital treatment for moderate injuries.
Police were on the scene a short time later.
All parties involved had left, and CCTV of the incident was reviewed, Darvill said.
An Auckland Transport spokesperson said it was “distressing” to hear of the attack.
“The safety of our customers is of paramount importance, and people have the right to feel safe when using public transport.”
In a post on Facebook, the victim can be seen with injuries to his head and eyes.
More to come.
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