Firefighters brought a massive house fire in Silver Spring, Maryland, under control Tuesday morning, but not before two firefighters fell through a floor battling it. A passerby called in the blaze in the 9600 block of Lorain Avenue near Burnett Avenue around 6 a.m.

#Chopper4 VIDEO: Raging house fire on Lorain Avenue near Colesville Rd and University Blvd W in #SilverSpring, #FourCorners #BREAKING @nbcwashington @charlienbc pic.twitter.com/VsmmN3kepy

— Brad Freitas (@Chopper4Brad) December 22, 2020

The house was under renovation and unoccupied, according to tweets from Montgomery County Fire and Rescue spokesman Pete Piringer. Two firefighters fell through the a floor. One needed help from fellow firefighters to get out and was taken to the hospital with non-life threatening injuries. About 60 firefighters were called to the scene. There’s no word yet on the cause of the blaze.