 Wednesday, another hot day on the fire lines for the fire crews battling the lightning-caused black fire in the Tonto National Forest. It's grown to over 11,000 acres, now 40% contained. We are getting these thunderstorms pushing winds in overnight. That's where we're seeing a lot of our growth is with that wind-driven effect. Fire spokesperson Emery Johnson. More than 300 deaths are being looked at in Maricopa County as heat-related. Health Department's latest report yesterday showing a total of 322 deaths under investigation.