LIVE MARATHON: 7AM on WBZ-TV; 9AM on WBZ Radio; Race, Finish Line & Heartbreak on CBSBoston.com
Live Blog | Mile By Mile Guide | Road Closures | Best Spectator Spots | Forecast | All Marathon Coverage

NH Police Train For Active Shooter At Elementary School

Friday's drill took place at Valley View Community Elementary in Farmington. Michael Rosenfield reports. <br />