Firefighters near Phoenix battle wildfire as temperatures surpass 100F

Residents evacuate after Boulder View fire rips alongside Scottsdale, and wildfires in California and Oregon rage

A wildfire north-east of Phoenix has, as of Saturday, threatened scores of homes, forced dozens of residents to evacuate and required more than 200 firefighters to battle it.

No structures have been damaged as the wildfire has traversed nearly 6 sq miles (15 sq km) on the cusp of the Boulder Heights subdivision of Scottsdale, said Matthew Wilcox, spokesperson for a multi-agency wildfire response team.