POLICE said a suspicious fire in Batt Street, South Penrith set a crane ablaze last Wednesday night.
They were called to the scene at about 10.50pm.
The flames ignited some nearby cylinders, causing explosions, but no one was injured.
Surrounding buildings were not damaged either.
Police are treating the fire as suspicious and urge anyone with any information to contact Penrith detectives on 4721 9444 or Crime Stoppers on 1800 333 000.
This story Administrator ready to work first appeared on Nanjing Night Net.