Two manhole fires that erupted in Brooklyn sent two people to the hospital and caused a building to be evacuated Wednesday morning.

The dramatic scene started just before 3:30 a.m. on Humboldt Street in Williamsburg. Video shows firefighters battling the flames shooting up out of the ground, incinerating nearby cars. 

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CBS News New York

The FDNY received a call reporting elevated carbon monoxide levels inside an apartment building caused by the fires. Officials quickly elevated it to two alarm fire with more than 140 first responders heading to the scene.

Two people were taken to the hospital to be evaluated. Three MTA buses are helping the evacuated residents stay warm, and the Red Cross is also at the scene assisting. A warming center was also set up nearby, officials said. 

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CBS News New York

Firefighters are still working to get a large fire under control, while National Grid and Con Edison crews are working to identify the cause.