RT @stackiii: I think a bomb just went off in Boston. Can't tell. Can smell smoke. Emergency vehicles everywhere. http://instagram.com/p/YItk1gTIUJ/
RT @gsoutiea: Some sort of explosion at the #BostonMarathon finish line!!???? http://pbs.twimg.com/media/BH6gNJcCUAAcbY8.jpg
Runners being rerouted from the #BostonMarathon finish area after the two explosions. #Prayers for everyone down there.
#Repost from @miaaxxoo7 to @nbcnews from #bostonmarathon
boston marathon explosion http://pbs.twimg.com/media/BH6mc_UCIAIhYMH.jpg