The Mill 2 Fire started in Mill Creek Canyon near State Highway 38 and Bryant Street at about 2:30 pm, east of Mentone, and north of Yucaipa. It burned approximately 35 acres up steep chaparral covered slopes. The cause of the fire is under investigation.Four homes were evacuated on the lower or west end of Yucaipa Ridge. State Highway 38 was closed earlier but it has now re-opened. The fire is being managed in unified command US Forest Service and CALFIRE.Resources responding included: 17 engines, 7 crews, 2 dozers, 2 water tenders, 5 helicopters, 2 fixed wing air tankers, and 1 air attack plane. An Unmanned Aircraft System (drone) temporarily halted tanker operations, but operations soon resumed.