HazMat Incident (Frisco)

Quint 6, Rescue 1, HazMat 1, and others are on scene of an unknown substance, possibly hazardous, leaking on FM 423. FM 423 is closed in all directions near Rockhill Parkway while units investigate the situation. Its best to avoid the area at this time.
Update – Situation is now under control. Substance has been neutralized and cleaned up. Units are clearing. Roadways are being opened