FORT WORTH (CBSDFW.COM) -- Investigators are working to determine what sparked a house fire in southwest Fort Worth early Tuesday morning.
Firefighters arrived at 6000 Whistler Court around 3 a.m. to find smoke coming from the attic.
The fire was extinguished and the residents escaped without injury.
A Fort Worth firefighter was overcome by heat and was taken to Harris Methodist Hospital.
(©2014 CBS Local Media, a division of CBS Radio Inc. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)
for more features.