Johnson City Police Say An Elderly Man Was Struck And Seriously Injured In The Parking Lot At Walmart. Police Were Called To The Business On West Market Street Where They Found 71 Year Old William Anderson Of Jonesborough Who Has Received Serious Injuries While Walking Through The Parking Lot. He Was Taken To Johnson City Medical Center. Investigators Said The Minivan’s Speed Is Believed To Be A Factor In The Crash.