The first of two publicly identified victims who died due to injuries from the Boston Marathon explosions is 8-year-old Martin Richard of Dorchester, Mass. Martin was attending the race with his family: his mother, Denise; 6-year-old sister, Jane; his father, Bill; and his older brother, whose name has not been released.

Denise and Jane were severely injured in the blasts, and Bill sustained wounds in his legs from fragments. Martin's older brother did not incur serious injuries.

Holly Bailey, a senior reporter for Yahoo! News, is in Boston covering the bombings and their aftermath, and she spoke with us this morning on "Trending Now." Bailey told us that Massachusetts Rep. Stephen Lynch has been friends with the Richard family for 25 years, and he told Yahoo! News that dad Bill had run the marathon in previous years but had taken the family just to watch this time around.

The Richards went to get ice cream and then came back to watch the runners along Boylston Street. That's when the

After the explosions occurred at the Boston Marathon, many people turned to Facebook and Twitter as the first sources to share and find information on the tragedy. In the aftermath of the deadly bombings that killed three people and wounded more than 140 others (some critically), people are turning to YouTube and Reddit to share their eyewitness accounts of what happened during the race, and in the chaos that followed the bombings.

Here is a video posted to YouTube by runner Jennifer Treacy. This video is from the perspective of an actual marathoner who is running in the race. She is approaching the finish line when suddenly an explosion occurs several yards away from her.

In another YouTube video posted by a spectator, someone is holding the camera among a group of people who are gathered outside a Walgreens store. You hear a woman yell, "Something just blew up!" Suddenly, the second bomb goes off. You hear screaming and a person yells, "Run!" That video, titled "Second Explosion --

The Boston Marathon became the scene of a crime today. Starting at approximately 2:50 p.m., two bombs went off within seconds of each other and caused numerous critical injuries and at least two deaths. CNN reported that at least 132 people were injured.

People immediately took to social media to share what they were seeing as eyewitnesses and to alert the world to what was happening. A Vine video from user "Doug" of one of the explosions going off recorded from live television was being retweeted and shared multiple times.

Boston Globe reporter David Abel tweeted from the scene, "Fine. Reporting. I was 10 feet from the explosion. Shaken up. But not a scratch. Worst thing I ever saw." A video uploaded by YouTube user "FatalitySnow" shows a group of people standing around just as the second bomb goes off.

Other eyewitnesses reported feeling the ground shake during the explosions and seeing lots of blood, smelling smoke and seeing people with missing limbs.

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