HOUSTON, Texas (KTRK) -- Fire crews are working to extinguish a fire at a mulch yard in southeast Houston on Saturday morning, according to authorities.

The Houston Fire Department said it received the call about the fire at about 8 a.m., located on Haynesworth Lane near Beltway 8.

Authorities said it is unclear how big the fire is, and as of 8:30 a.m., the fire has not been contained.