NORTHWEST MIAMI-DADE, Fla. -

Crews battled two warehouse fires in northwest Miami-Dade Friday.

Firefighters were called to the second-alarm fire at 5357 NW 35th Court about 7:30 a.m.

Fire crews said two warehouse lots caught fire, and both of them contained highly flammable fabrics that made the blaze hard to contain.

No injuries were reported.

Authorities have not yet indicated what sparked the fires.