In brief
A seismic event at 6 pm Thursday triggered a rockfall at the Oyu Tolgoi copper mine in southern Mongolia, injuring 15 workers. The incident has led Rio Tinto to halt underground work while the injured receive medical care.
At about 6 p.m. Thursday, a seismic event along a rock fracture zone triggered a rockfall that injured 15 workers at the Oyu Tolgoi copper mine in southern Mongolia, the mine operator said.
Operator Oyu Tolgoi LLC said:
"At around 6 p.m. today, a seismic event occurred along a rock fracture zone, causing tremors in the underground mine,"The company added that the tremors caused the rockfall, no fatalities were reported and the injured are receiving medical attention in an ongoing assessment of the situation.
Rio Tinto has announced a suspension of all underground operations at Oyu Tolgoi following the accident. The action comes after emergency responders confirmed that the 15 injured workers are stable.
