Los Angeles firefighters battling large commercial building fire in Winnetka; reports of roof collapse

WINNETKA, LOS ANGELES () — Firefighters are battling a large fire at a two-story commercial building in the Winnetka area of Los Angeles early Tuesday morning.

The blaze was reported shortly after 5 a.m. in the 21200 block of W. Sherman Way. The street is closed off in both directions.

AIR7 was over the scene where it was reported that a portion of the roof had collapsed.

No further details were immediately known.

The cause of the fire is under investigation.

This is a developing story. This article will continue to be updated as more information becomes available.