12:20 Hrs: The department, along with Chester County Ladder 69 (Twin Valley) were dispatched to 600 block of Red Corner Rd, Union Twp for a Fire Alarm. Chief 7 (Bickings) arrived to find an audible alarm sounding and an odor and haze. Additional resources were called, which included Tanker 6 (Monarch) and Chester County Engine 64-1 (Norco). After a thorough search of the residence, a source was not located and the odor and haze cleared naturally.