Firefighters battled a large blaze at a refinery Thursday afternoon in Delaware County. The fire was reported around 11:30 a.m. at Monroe Energy, a refinery located on Post Road in Trainer, Pennsylvania. At 2:30 p.m., officials with Monroe Energy said that crews were able to extinguish the fi re and issued an “under control” declaration. Officials confirmed with NBC10 that four Monroe Energy employees suffered non-life-threatening injuries. One of the four employees injured has already returned home, according to the refinery. In a statement, Monroe Energy said the fire began in a process unit pump room at the refinery. “When the fire began, Monroe immediately deployed air monitoring in the surrounding community in coordination with the Delaware County Local Emergency Planning Committee. While smoke was visible, air monitoring results showed that there were no risks to human health,” the statement says. SKYFORCE 10 flew over the scene, where heavy smoke could be seen billowing from the blaze. Read the full updated statement from Monroe Energy below: “At approximately 11:30 AM on June 25, a fire began in a process unit pump room at MonroeEnergy’s refinery in Trainer, Pennsylvania.The emergency responders were able to extinguish the fire and have now issued an “UnderControl” declaration. As a result of the fire, one Monroe employee sustained non-life threateninginjuries and was transported offsite for medical treatment.When the fire began, Monroe immediately deployed air monitoring in the surroundingcommunity in coordination with the Delaware County Local Emergency Planning Committee.While smoke was visible, air monitoring results showed that there were no risks to human health.The safety and health of the residents is paramount, and we are continuing to work closely withlocal emergency response officials. Monroe made all agency notifications to convey pertinentinformation to our community.While we do not know the exact cause of the fire at this time, the incident will be fullyinvestigated.”Monroe Energy Lee esta historia en español aquí. This story uses functionality that may not work in our app. Click here to open the story in your web browser. ...read more read less