Authorities said three units worked to extinguish a fire at a commercial building in Dallas Thursday morning.
Dallas Fire-Rescue officials said crews arrived at the vacant one-story building in the 2900 block of Walnut Hill Lane at about 1:45 a.m. flames shooting through the roof.
Firefighters worked to control the flames and called for backup.
The latest news from around North Texas.
"The third alarm response was strictly for manpower," Dallas Fire-Rescue spokesman Jason Evans said.
No injuries were reported.
The cause of the fire is currently under investigation.