Two blasts at the Boston Marathon finish line have left at least 2 dead, about 2 dozen injured, and thousands shaken while police investigate the source of the bombs.
Witnesses on the scene described the explosion sound as a canon going off, and though details are still emerging, photos of the gruesome scene have begun to pour in via social media and news outlets. View the slideshow below for photos from the scene (Warning: some are graphic), and follow Salon's Live Blog for updates on breaking news.
Prachi Gupta is an Assistant News Editor for Salon, focusing on pop culture. Follow her on Twitter at @prachigu or email her at firstname.lastname@example.org.