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Police officers with their guns drawn hear the second explosion down the street. The first explosion knocked down 78-year-old runner Bill Iffrig at the finish line. He got up a few minutes later and finished the race.
Police officers with their guns drawn hear the second explosion down the street. The first explosion knocked down 78-year-old runner Bill Iffrig at the finish line. He got up a few minutes later and finished the race.

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    Photographer captured agony of bombings

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Photographer captured agony of bombings

Boston Globe photographer John Tlumacki stood steps away from the finish line when the explosions went off.

Photographer captured agony of bombings

Boston Globe photographer John Tlumacki stood steps away from the finish line when the explosions went off.