Three boys were arrested by Tucson police in connection with a series of alley fires in an area near East 22nd Street and South Wilmot Road.
A slurry plane does a preventive drop near a ranch outside of Sonoita.
Smoke towering into the sky from a flare-up of the Bullock Fire is visible from Aspen Vista in the Santa Catalina Mountains.
Flames from the Bullock Fire flare up on a ridge near Mount Bigelow, which houses communications equipment, TV transmitters and UA telescopes.
An air tanker — one of 10 — drops fire retardant on the Bullock Fire. The slurry is a mixture of water, chemical fire inhibitors and crimson dye that shows pilots what's already been hit.
Laura McLaughlin of the Laguna Hotshot crew uses a drip torch to ignite ground fuels in a burnout operation in the Catalinas.
Smoke rises from below the Mount Bigelow TV and communications towers as a firefighting helicopter heads toward still-smoldering hot spots.
In this image from video, smoke and flames from the Gibson fire draw near to the Large Binocular Telescope (LBT) atop Mount Graham near Safford, Ariz., Saturday, July 3, 2004. The observatory's third and largest telescope is partly finished, but for the second time in eight years a forest fi…
A Sky Crane helitanker retrieves fire retardant from tanks at a mixture base before making another run at the Gibson Fire outside Safford.
Jim Bell, center, and Austin Peck, right, of Northwest Fire work near the Noon Creek Campground.
Northwest Fire/Rescue District crew members watch a Super Puma, capable of carrying 930 pounds of water, load up from Riggs Lake.
Flames race up a ridgeline in the Pinaleno Mountains, where the Nuttall and Gibson fires grew to 27,000 acres Thursday.
A sign on Arizona 260 tells residents where to go for shelter. About 4,000 people were evacuated Wednesday, with about 400 of those taking shelter at a high school gym in Springerville. A middle school gym in Eagar was also available to those who needed a place to stay.
Jamie Mace of LPS Excavating in Williams drives a bulldozer along a fire line near a multimillion-dollar home in the Timberland Acres subdivision.
Charlie Hoag wets down the Sweet Corn Antiques store in Linden, which along with Pinedale and Clay Springs, was evacuated.
A tired Kenny Young and Larry Bear of Northwest Fire and Rescue try to stay awake after a night shift in the Clay Springs area.
Jason Foust of the Avra Valley Fire Department watches flames consume juniper trees near a girls' camp in Aripine.
Steve Leitzell of Apache Junction Fire District spends the early hours of Monday morning hosing down some hot spots in the Timberland Acres subdivision, where 94 homes were destroyed by the fires.
A metal front door is all that remains of a house in the Cheney Ranch subdivision in Linden, where three homes have been destroyed. Officials estimate that 345 structures, including homes, businesses and trailers, have been destroyed in the towns of Aripine, Clay Springs, Heber-Overgaard, Li…