Fire fighting teams tackled a blaze on Wednesday in northern Arizona, a couple of hours' drive north of Phoenix.<br/> <br />The wildfire, which started Tuesday, has grown to about 5,000 acres and has forced the evacuation of hundreds of homes outside Prescott.<br/> <br />Authorities say the blaze was likely caused by someone, and is under investigation.<br/> <br />The forecast for the next few days calls for hot and windy conditions.<br/> <br />That's prompted concern the fire could encroach on residential homes in this valley.
