Major delays have hit trains across Auckland's rail network after a fault in a train in South Auckland.
Auckland Transport says commuter travel is disrupted across all lines after problems on a train near Wiri.
One commuter affected by this morning's breakdown said no trains were entering or leaving the main downtown Britomart terminal.
Auckland Transport tweeted the delays were compounded by a medical emergency on a train at Britomart.
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A platform was blocked causing congestion and commuters could expect train delays at the terminal.