RENO, Nev. (AP) — Firefighters are struggling to gain the upper hand on major wildfires in both ends of Nevada.
Fire officials on Sunday afternoon reported 15 percent containment on both the 14,000-plus-acre Carpenter 1 Fire on Mount Charleston near Las Vegas and on the 9,300-acre Bison Fire in the Pine Nut Mountains south of Reno.
No injuries were reported.
An unknown number of commercial buildings have been destroyed by the northern Nevada fire, but no homes have been damaged on Mount Charleston.
The Mount Charleston fire earlier prompted the evacuation of some 500 residents who were still out of their homes Sunday.
Officials say containment of the Pine Nut Mountains fire near Gardnerville, 60 miles south of Reno, dropped from 30 percent to 15 percent after erratic winds on Sunday.
Some 600 firefighters are battling each blaze with the help of an intense aerial assault involving air tankers and helicopters.
Both fires were sparked by lightning last week after a dry winter and amid a record heat wave.