UPDATE @12:10 p.m.
Fire crews are back on scene of Cooper Energy where a fire broke out over the weekend.
Two fire trucks and a medic are on scene.
We’re working to learn if the fire has rekindled.
FIRST REPORT
The former Cooper Energy facility was once again in flames Sunday.
Springfield crews responded to the fire and scanner traffic indicated that firefighters would not enter the building as they attempt to curb the blaze.
>> RELATED: Suspicious fire rekindles at former Cooper Energy in Springfield
Heavy smoke and fire was visible and reports indicated that the smoke near the building was incredibly thick.
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The same facility caught fire Aug. 20 and Aug. 30 of this year and investigators believed those fires to be highly suspicious.
The Aug. 20 fire was located in the back of the facility, which had been abandoned for the last 15 to 20 years.
>> RELATED: Firefighters extinguish suspicious fire at former Cooper Energy plant in Springfield
The cause of the most recent fire is unknown at this time.