Crosses bearing the names of people killed are displayed in an exhibit titled, ‘Dear Boston: Messages from the Marathon Memorial’ in the Boston Public Library to commemorate the 2013 Boston Maraton bombings, on April 14, 2014 in Boston, Massachusetts. Last year, two pressure cooker bombs killed three and injured an estimated 264 others during the Boston marathon, on April 15, 2013. (Photo by Andrew Burton/Getty Images)

Crosses bearing the names of people killed are displayed in an exhibit titled, ‘Dear Boston: Messages from the Marathon Memorial’ in the Boston Public Library. (Photo by Andrew Burton/Getty Images)

President Barack Obama will observe a moment of silence today on the first anniversary of the Boston Marathon bombing, which left three people dead and hundreds of others injured.

The White House says the president plans to observe the moment during a meeting with senior advisors in the Oval Office that will be closed to the media. The bombing occurred at 2:49 p.m. on this date in 2013.

Vice President Joe Biden is scheduled to deliver remarks at a noon ceremony at Boston’s Hynes Convention Center. Church bells throughout the Massachusetts city will ring out at 2:49 p.m.

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