Updated: April 17, 2013, 12:00 AM
In pictures: Vigil held for Boston bombing victims
Mourners hold candles and U.S. flags during a vigil for Martin Richard, one of three killed in the Boston Marathon bombings, at Garvey Park in Boston, Massachusetts, U.S., on Tuesday, April 16, 2013. Richard, an 8-year-old from Boston's Dorchster neighborhood, was among the dead in blasts that also injured his mother and sister. Photographer: Scott Eisen/Bloomberg *** Local Caption *** 1201333.jpg
Mourners hold a vigil for Martin Richard, killed in the Boston bombings. Scott Eisen / Bloomberg
A couple hugs during a vigil for victims of the Boston Marathon bombings. Spencer Platt / Getty Images / AFP
A woman holds a rose during vigil for victims of the Boston Marathon bombings. Spencer Platt Getty Images / AFP
People write messages on a memorial canvas during a vigil for victims of the Boston Marathon bombings. Spencer Platt Getty Images / AFP
A young girl cries with her mother during the vigil for eight-year-old Martin Richard, from Dorchester. Jared Wickerham / Getty Images / AFP
People gather with candles during a vigil for eight-year-old Martin Richard, from Dorchester. Jared Wickerham / Getty Images / AFP
Hundreds gather for a vigil ceremony in Dorcester, Massachusetts honoring the Richard family. AFP PHOTO / MOTTERN
Tom and Nancy Gallagher attend the vigil ceremony. AFP PHOTO / John MOTTERN
Scott Turner is hugged by friends as he weeps at a vigil for bomb victims a day after two explosions hit the Boston Marathon. REUTERS / Adrees Latif
A couple embrace while taking part in a candlelight vigil for bomb victims. REUTERS / Adrees Latif
Emma MacDonald, 21, center, cries during the vigil. AP Photo / Julio Cortez
Local residents hug at a candle light vigil in the Dorchester neighborhood of Boston. REUTERS / Brian Snyder
Local residents attend a candlelight vigil in the Dorchester neighborhood of Boston, Massachusetts. REUTERS / Brian Snyder