This is 78-year-old Bill Iffrig of Washington State, now about the most infamous of the more than 23,000 runners in yesterday's Boston Marathon.  Somehow, though he was right next to the first explosion, about 15 feet from the finish line, he suffered only a scratched leg, and completed the race.

When cops tried to help him and give him a wheelchair, he refused, and walked six blocks to his hotel and returned to his wife.

Unfortunately, the same can't be said for all who witnessed this tragedy firsthand.

Earlier this morning, I spoke with a woman named Megan, who, though she lives close to the city, had never experienced the marathon festivities before.  She and her husband had a lovely day, that was interrupted by the horrible explosions...

Then, around 7:15 a.m. today, I spoke with Alex, who is a blogger and digital project manager for Boston.com.  She was six storefronts away when the blast occurred.  Her pictures were some of the first that were published. You can see some by using the blue button below (Warning -- some of the photos are very graphic. View at your own discretion.). Here's the audio from our conversation today...

Below is a link to more photos from Boston.com. Again, some of these photos are extremely graphic.  Please view at your own discretion.

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