NEW : The Wallow fire has scorched 443,989 acres in eastern Arizona . It `` has been chasing us around , but after today we 're feeling very optimistic , '' A wildfire that started on the Navajo Nation reservation near Gallup, New Mexico, is now threatening homes and businesses across a wide swath of central Arizona. Officials say the blaze is 10 % contained . A commander says residents in Springerville and Eagar can return home `` at their own risk '' Arizona 's worst wildfire burned 468,638 acres in 2002 .
NEW : The Wallow fire has scorched 443,989 acres in eastern Arizona . A wildfire that started on the Navajo Nation reservation near Gallup, New Mexico, is now threatening homes and businesses across a wide swath of central Arizona. Officials say the blaze is 10 % contained . A commander says residents in Springerville and Eagar can return home `` at their own risk '' Arizona 's worst wildfire burned 468,638 acres in 2002 .