Boston marks Marathon Bombings Anniversary

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Tuesday marks the one-year Anniversary of the Boston Marathon Bombings in which three people were killed and over 260 more injured.   Today at 2:49pm, Boston Mayor Marty Walsh is asking for a moment of silence in honor of the victims.  President Obama will also observe that moment of silence at the White House.

You can follow today's events, including a tribute at the Hynes Convention Center, right here from USA Today as the region remains #BostonStrong.   You can watch the ceremonies today below LIVE.

One of those victims who lost his legs, Jeff Bauman, wrote a Thank You letter to the people of Boston in today's Boston Herald.

Here's what President Obama had to say Tuesday in a statement:

"A year ago, tragedy struck at the 117th Boston Marathon. Four innocent people were killed that week, and hundreds more were wounded. Today, we remember Krystle Campbell, Lingzi Lu, Martin Richard, and Sean Collier. And we send our thoughts and prayers to those still struggling to recover.

We also know that the most vivid images from that day were not of smoke and chaos, but of compassion, kindness and strength: A man in a cowboy hat helping a wounded stranger out of harm's way; runners embracing loved ones, and each other; an EMT carrying a spectator to safety. Today, we recognize the incredible courage and leadership of so many Bostonians in the wake of unspeakable tragedy. And we offer our deepest gratitude to the courageous firefighters, police officers, medical professionals, runners and spectators who, in an instant, displayed the spirit Boston was built on - perseverance, freedom and love.

One year later, we also stand in awe of the men and women who continue to inspire us - learning to stand, walk, dance and run again. With each new step our country is moved by the resilience of a community and a city. And when the sun rises over Boylston Street next Monday - Patriot's Day - hundreds of thousands will come together to show the world the meaning of Boston Strong as a city chooses to run again."

Relive the Tributes and National Anthem at the Boston Bruins game just days after the Bombings below (Courtesy: NBCSN)