The American Red Cross will run a blood drive in Memorial Hall on Friday, April 21, from 9 a.m. to 3 p.m. and at St. Paul’s Church, 29 Mount Auburn Street, on Thursday, April 27, from noon to 6 p.m. and Friday, April 28, from 9 a.m. to 3 p.m. Call (800) 462-9400, ext. 2093.