As many as 13 people have been injured after a train hit a buffer stop at the end of the rail line at Richmond station in Sydney's north-west.
Police said 11 people were treated at a nearby oval after the accident, and although five people remained on the train to be treated no one was trapped. "We are working with emergency services and NSW Ambulance is treating injuries".
The train operator - NSW Trains - said the train had hit a buffer at the end of the railway line.
A meeting between representatives from rail operator Sydney Trains and the state's transport union, which had voted for a January 29 strike following failed negotiations over wage increases, was suspended following the incident on Monday morning, according to local media.
Train services have been suspended between Richmond and Clarendon in both directions.
A total of 17 ambulances crews and dozens of fire and police officers were called to the scene at Richmond station.
Eyewitness Brett Saunders, who was on a platform at the station, said the train did not appear to apply brakes.
Officials said it is too soon to determine the cause of the crash.
NSW Ambulance confirmed that about 16 people were injured after the incident.
The train involved was a new Waratah train but Mr Collins said nothing indicates the other Waratahs needed to be halted for now.
One passenger was believed to suffer spinal injuries. "I watched train hit the barrier then bounce up and came back down again hard".
Most of the injured were discharged from hospital by Monday evening; however, several were still being treated.