Someone called 911 to report an odor of gas just before 2 p.m.
Firefighters responded and discovered high carbon monoxide readings.
Officials said between 40 and 50 people were evacuated from buildings on Stratford Rd. in Prospect Park South.
MTA buses were called in to shelter the people who were evacuated.
No injuries were reported.
The Office of Emergency Management said the National Grid was on scene inspecting their infrastructure.
Elsewhere in the city, trucks were out salting side roads near the George Washington Bridge and other locations, and driving conditions were generally wet.
But the winter weather continued to cause trouble.
Video from the Citizen app shows flames shooting from a manhole at West 164th Street and Edgecomb Avenue in Washington Heights.
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The fire left some localized outages in that area.
And there was heavy smoke coming from another manhole in East Flatbush at East 38th Street and Church Avenue.
These issues arise when road salt seeps into the ground during storms like this one.
Meantime on Long Island, a car slid off Nichols Road in Setauket.
Thankfully no one was injured.
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And crews worked throughout the night to clear snow in Centereach.
Many roads were still covered in snow in Selden before dawn Friday.
Crews still had work ahead of them before the morning rush hour.
For residents everywhere, icing was a big issues.
It coated cars, sidewalks and paths in many places across the Tri-State area.
Residents were being urged to be careful leaving their homes Friday morning.
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