3 killed, more than 130 hurt by bombs at Marathon: Two bomb blasts, 12 seconds apart, rocked the finish line of the 117th running of the Boston Marathon Monday, killing at least three people. Globe metro reporter Mark Arsenault covers.
- Amid shock at Marathon, a rush to help strangers: In the moments after the blasts, many were fleeing, but many were running to the wounded. Globe reporter David Abel details.
- Brothers watching Boston Marathon each lose a leg: Amid frantic phone calls and a panicked drive, Liz Norden pieced together the horrific truth that will forever change her two sons' lives. Globe reporter Patricia Wen profiles.
- 1st clues suggest attack may be case of domestic terror: The deadly twin explosions look more like the work of domestic terrorists than an international terrorist network. Globe reporters Todd Wallack and Andrea Estes elaborate.
- A perfect Marathon day, then the unimaginable: President Obama asked the rest of the country to pray for Boston. But we need more than prayers. We need answers. Globe metro columnist Kevin Cullen writes.