Emergency crews responded Monday to an explosion that sparked a large fire at a substation in Lexington, Massachusetts.
Video from the scene at Massachusetts Avenue and Grant Street showed heavy smoke and flames coming from the building before a fireball burst through.
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Witnesses across the street from the Eversource substation told NBC10 Boston they heard a loud boom around 5:45 p.m.
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"That's when I saw flames above the building," witness Sorabh Kapoor said.
According to witnesses, the lights cut out momentarily before there were several more explosions.
"I tried to call 911. Couldn't get through, because I guess everybody was trying to call at the same time," Kapoor said.
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"We worked closely with local first responders to make the area safe, and the fire was extinguished," Eversource said in a statement to NBC10 Boston around 9 p.m. "We are now assessing the damage and will remain on scene to make necessary repairs. There were no power outages associated with the fire."
Fire officials said no one was hurt in this incident, including the firefighters working with temperatures in the 90s.
