S. Highway 180. More than 100 firefighters are battling the flames in record heat.

The fire, known as the Ross Fire, is estimated to be 5% contained. Fire crews were quickly deployed to the scene, but the fire spread rapidly, reaching five alarms within an hour. State officials have joined the effort to extinguish the fire, using water tankers and fire retardant from the air.

The Texas A&M Fire Service has also provided an estimate of the fire's size. Further details about the fire and the ongoing response are available from officials. m.

and arrived at the scene shortly after.