Boston police urge public to report 'unattended bags'

Transit Police in Boston are urging people to report "all unattended bags or packages" left on public transport following the marathon bombings:


To our riders please report all unattended bags or packages to us download #seesay app to your phone. Tell your friends and coworkers #MBTA


New Boston suspects' images

The FBI has released two fresh images of two possible suspects in the Boston Marathon bombings.