Phoenix Fire estimates eight units burned, and nine residents were displaced, at a complex near North 14th Street and East Mountain View Road.
Arizona has seen a sharp decline in whooping cough cases this year over last, and the past five, according to the Department of Health Services.
Crisis centers for substance abuse are reporting increases in intakes during the holiday season, especially among younger adults.
From Saturday until Christmas, Maricopa County has banned wood burning due to poor air quality. Agents will be watching for smoking chimneys and fire pits.
Arizona clean air advocates are urging lawmakers not to let the EPA roll back car emissions standards.
Some Phoenix residents in the Royal Palm and Sunnyslope neighborhoods spent their own money to put up gates to block off alleys, with the city's help.
Fentanyl is now the No. 1. drug involved in overdoses nationwide, according to the Centers for Disease Control and Prevention.
