CHESTERFIELD COUNTY, Va. Two blood drives are being held in the wake of a Sunday shooting that injured two Chesterfield County Police Department officers and killed a CCPD K-9.The blood drives were made possible by Chippenham & Johnston-Willis Hospitals' partnership with the American Red Cross, Chesterfield County Fire and EMS, and other agencies. They both will be held in Johnston-Willis Hospital's Stalker Auditorium at 1401 Johnston Willis Dri…