First responders in Roane County went to Walmart yesterday afternoon after a vehicle hit two pedestrians in the parking lot. Authorities say the car operated by 72-year-old Ann Luffman struck 32-year-old Jessica Frost and Christopher Marcie. Frost was taken to Methodist Medical Center in Oak Ridge for treatment while Marcie was looked at on scene by medics. It is unknown at this time if charges were filed against the driver.