Niagara Falls firefighters are working an early morning house fire on 24th Street, between Niagara and Ferry.
Crews were called to the home just before 5:30 a.m. Tuesday.
When firefighters arrived, flames were blowing out the windows on the first floor.
It's unclear if anyone was inside when the fire started or if anyone was hurt.
Firefighters are still on the scene. Dispatchers didn't have much information as a result.
The cause of the fire is unknown.