EMERGENCY BLOOD DONORS ARE NEEDED NOW IN THE TRI CITIES AREA. ANDY MCLAMB WITH THE MARSH REGIONAL BLOOD CENTER SAYS LOCAL RESIDENTS ARE BEING ENCOURAGED TO DONATE BLOOD, AS THE NEED IS CRITICAL, ESPECIALLY OVER THE NEXT 48 TO 72 HOURS. MARSH COLLECTION CENTERS ARE LOCATED ON EAST RAVINE ROAD IN KINGSPORT AND ON THE MAIN FLOOR AT BRISTOL REGIONAL MEDICAL CENTER. IN ADDITION, MARSH’S KINGSPORT COLLECTION CENTER WILL OFFER EXTENDED HOURS THIS WEDNESDAY, STAYING OPEN UNTIL 6 P.M. MARSH REGIONAL BLOOD CENTERS SERVE 17 HOSPITALS IN NORTHEAST TENNESSEE AND SOUTHWEST VIRGINIA.