The Nation is stunned after at least two bombs went off near the finish line of the Boston Marathon. It happened at 2:50 on Monday afternoon as thousands were finishing the race. At least three people died in the blast and many others were injured.
The city is on high alert and Monday night's Bruins-Senators game was postponed. The Celtics' game was canceled.
The chilling scene has sparked thousands of prayers and words of encouragement across Twitter, and the sports world is no exception.
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