It has now been confirmed that two people died at a work site near Fox Creek, Alta., on Tuesday morning.
Police and Occupational Health and Safety responded to a worksite at a rural location after the contractors were killed around 10:30 a.m.
Source Energy Services, who runs the site, said the accident is related to construction of additional storage equipment.
They released the following statement in the wake of the incident:
"Source is working with all parties at this time and fully cooperating with the ongoing investigation. Our thoughts are with the family, friends, and coworkers of the deceased during this tragic time. Source has dispatched emergency counseling services for those immediately impacted and extended further access to counselling services to families of the workers. Further details on the accident will be provided by Source as they become available."
OHS is investigating the death, which has been deemed non-criminal by police.
The facility stores "frac sand" which is injected into rock formations, along with liquid to help extract oil and gas.
Fox Creek is approximately 260 kilometres northwest of Edmonton.
