Two people were injured in a fire Friday at a Canadian Natural Resources Ltd. gas plant in southern Alberta, about 88 kilometres east of Calgary. A spokesperson for STARS air ambulance said a man in his 70s was transported from the site to hospital and was listed in critical condition. No details were provided about the condition of the second injured person.

Wheatland County Fire Services responded to the blaze at 5:30 a.m. Fire crews said the surrounding area was evacuated as a precaution. The fire was later declared under control.

The report did not identify either injured person or provide further details about how the fire began. Global News Edmonton said more information was expected. CNRL is the facility operator identified in the report as Canadian Natural Resources Ltd., and the plant is located in southern Alberta, east of Calgary.

Based on reporting by Global News Edmonton.