Reports are surfacing from the local media in Utah that there may have been a second collapse in the Crandall Canyon mine.
Ambulances have been seen leaving the site with injured rescue workers, and there are more ambulances on their way to the mine. There have been at least nine reported injuries, with two in critical condition.
There are reports of seismic activity at the site of the mine which is believed to have caused this most recent collapse.
Stay with NewsCenter 16 for this developing story.