FDNY initially labeled the event a transformer fire, but a Con Ed spokesperson told the Eagle on Monday that the incident was not a transformer fire, but what the company labeled a “smoking manhole.”

“Con Edison crews were dispatched and made the necessary repairs on Saturday, which included replacing a secondary wire,” the spokesperson said. A Con Ed emergency vehicle was parked across the street from the location on Sunday.

‘Shock and concern’

FDNY said that no injuries were reported, but some residents said they were quite alarmed by the sound of the explosions.

“My initial reaction was one of shock and concern,” said Anjue Craig, who lives at the corner of Montague and Henry streets. “The first thought that crossed my mind was the urgent need for safety.”

Craig said she considered seeking refuge in the bathroom and hiding in the bathtub as she alerted her neighbor.

“We decided to go downstairs and approach the emergency unit for guidance,” she said. “It was communicated to us that we would experience a temporary disruption in electricity and gas supply for a night or two.” 

However, Con Ed repaired the wiring that same day, the company said.

Resident Ashley Frost-Morgan told the Eagle that she walked by the scene about 4:30 p.m.

“When I walked by, emergency services were already there,” she said. “There was visible, heavy smoke coming from a manhole in the intersection of Montague and Henry as I walked by. A few loud bangs went off inside the hole, which sounded like fireworks.” 

Frost-Morgan added that she didn’t stop to watch or take photos or video because her dog was alarmed by the bangs.  

“My dog was pretty spooked so we kept walking,” she said.

Another resident, who did not wish to be named, told the Eagle, “At one point, a pane of glass in a third floor window of 118 Montague St. was broken from the concussion of the explosions. In addition to Con Ed, the FDNY had National Grid come to the scene because of blue-tinged flame emanating from the manhole at the Montague/Henry intersection, suggesting that there may have been a compromised gas line involved, too.”

A video snippet supplied by someone who works in the area shows smoke billowing from two manholes simultaneously at 4:03 p.m. A pouring rain can be seen soaking the street and sidewalks.

At 5:19 p.m., more than an hour an after the manholes popped, FDNY received a call about the odor of gas. However, carbon monoxide levels reported negative in the surrounding area and the incident was closed at roughly 6:23 p.m., FDNY said.  A National Grid spokesperson said on Monday there was no gas connection and the incident was entirely electrical. 

The incident took place during a heavy downpour. “While not confirmed, the cause of Saturday’s smoking manhole was likely due to weather,” the Con Ed spokesperson said. 

Layers of old electrical wires lay under NYC streets, according to Fire Engineering magazine. Salt laid down over the years during the winter to prevent icing eats away the wires’ insulation and can lead to explosions and fires.

“Salt represents nothing short of an acid bath,” the publication said. 

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