A 30-year-old man has been taken to hospital after being injured at Illawarra Coal’s Dendrobium mine.
The incident occurred at about 10:30 am today.
An Ambulance NSW spokesperson told Australian Mining the miner became trapped after a heavy object fell from the roof on to his foot.
According to Ambulance NSW the miner has received leg injuries.
A BHP spokesperson confirmed the incident, stating "an employee of Illawarra Coal's Dendrobium Mine, who sustained a foot injury while working underground this morning, has been transported to Wollongong Hospital for assessment".
Illawarra Coal is a subsidiary of BHP Billiton.
It was the third roof fall in four years at the underground coal mine.