"A train derailment occurred at the Botany Yard this morning, following a collision between two freight trains at around 0600 AEDT.
"The incident occurred as the trains traversed onto the same track during shunting movements.
"There were no injuries and there were no dangerous goods on board the trains.
"NSW Fire and Rescue attended the incident site but have now departed.
"Representatives from the Office of the National Rail Safety Regulator (ONRSR) have arrived on site and will be undertaking investigations into the incident with the assistance of ARTC and operators Qube and Pacific National."
"Recovery will be undertaken over the weekend as planned general maintenance is undertaken.
"Services will be maintained through Port Botany via available track."