A person was found with critical injuries following a fire that broke out in a basement of a Bensonhurst home.
The fire started just before 7 a.m. on 64th Street, officials said.
Citizen video shows smoke filling the already foggy skies. Firetrucks and other emergency vehicles lined the streets.
FDNY says that a lithium-ion battery was found at the scene.
The cause of the fire is still under investigation.