Authorities have image of bombing suspect

Mike Adler (left) and his 10 year old son Gabe of Framingham held an American flag during the moment of silence before the Bruins game Wednesday.

Jim Davis/Globe Staff

Mike Adler and his 10-year-old son Gabe of Framingham held an American flag during a moment of silence before the Bruins game at TD Garden.

Bruins defenseman Dennis Seidenberg (left), stood next to a ribbon projected onto the ice.

Elise Amendola /AP

Bruins defenseman Dennis Seidenberg stood next to a ribbon projected onto the ice.

Fans walked past United States servicemen at the TD Garden, where the Bruins play the Buffalo Sabres.

Elise Amendola/AP

Fans walked past servicemen at TD Garden, where the Bruins played the Buffalo Sabres.

Victoria Kichuk (left) of Brighton visited the makeshift memorial at Boylston and Berkeley streets.

Bill Greene/Globe Staff

Victoria Kichuk (left) of Brighton visited the makeshift memorial at Boylston and Berkeley streets.

In Hopkinton, people held hands in a vigil near the Boston Marathon starting line Wednesday.

Wendy Maeda/Globe Staff

In Hopkinton, people held hands in a vigil near the Boston Marathon starting line Wednesday.

A banner in Hopkinton with a message of support for victims of the finish line bombings.

Wendy Maeda/Globe Staff

A banner in Hopkinton with a message of support for victims of the finish line bombings.

Remnants of a backpack next to the mailbox at site of the second bomb explosion in a photo taken on Tuesday.

John Tlumacki/Globe Staff

Remnants of a backpack next to the mailbox at site of the second bomb explosion in a photo taken on Tuesday.

US Marshals stood guard outside Boston's Moakley Federal Courthouse after if was evacuated Wednesday afternoon.

Charles Krupa/AP

US Marshals stood guard outside Boston's Moakley Federal Courthouse after if was evacuated Wednesday afternoon.

Media and others descended upon the courthouse after initial reports suggested a suspect in the Boston Marathon bombings was arrested and would appear at the courthouse.

Jared Wickerham/Getty Images

Media and others descended upon the courthouse after initial reports suggested a suspect in the Boston Marathon bombings was arrested and would appear at the courthouse.

Employees were evacuated from the courthouse after a bomb threat was received.

CJ GUNTHER/EPA

Employees were evacuated from the courthouse after a bomb threat was received.

An officer patrolled outside the courthouse Wednesday afternoon.

Michael Dwyer/AP

An officer patrolled outside the courthouse Wednesday afternoon.

Investigators combed through the scene of one of the blast sites on Wednesday morning.

Julio Cortez/Associated Press

Investigators combed through the scene of one of the blast sites on Wednesday morning.

 A sign was taped to a barricade near the site of the bombings on Wednesday.

Bill Greene/Globe Staff

A sign was taped to a barricade near the site of the bombings on Wednesday.

Robert Bakoian of Boston prayed at the barricade to the crime scene at Boylston and Berkeley streets on Wednesday.

Bill Greene/Globe Staff

Robert Bakoian of Boston prayed at the barricade to the crime scene at Boylston and Berkeley streets on Wednesday.

Investigators worked at the scene on Boylston Street, and hundreds of officers fanned out across the city Tuesday.

John Tlumacki/Globe Staff

Investigators worked at the scene on Boylston Street, and hundreds of officers fanned out across the city Tuesday.

This image shows the remains of a pressure cooker that the FBI says was part of one of the bombs.

Reuters

This image shows the remains of a pressure cooker that the FBI says was part of one of the bombs.

Remains of what may have been part of the bomb.

Reuters

Remains of what may have been part of the bomb.

Remains of a backpack the FBI says contained one bomb.

ASSOCIATED PRESS

Remains of a backpack the FBI says contained one bomb.

Garvey Park in Dorchester was nearly filled with people during the vigil for Martin Richard, who was killed in Monday's blasts.

Yoon S. Byun/globe staff

Garvey Park in Dorchester was nearly filled with people during the vigil for Martin Richard, who was killed in Monday's blasts.

Members of the military walked along Boylston Street near the finish line of the Boston Marathon.

Aram Boghosian for The Boston Globe

Members of the military walked along Boylston Street near the finish line of the Boston Marathon.

Sox second baseman Dustin Pedroia walked past a sign from an Indians fan in the dugout.

Mark Duncan

Sox second baseman Dustin Pedroia walked past a sign from an Indians fan in the dugout.

Investigators were combing through the aftermath of the deadly Boston Marathon terrorist attack Tuesday.

John Tlumacki/Globe Staff

Investigators were combing through the aftermath of the deadly Boston Marathon terrorist attack Tuesday.

A sign was taped to a barricade near the bombing site Wednesday.

Suspect seen carrying, and perhaps dropping, black bag

Officials issued statements firmly denying widespread media reports that a suspect was in custody, although they said they are “very close” in the investigation.

Obama declares emergency for Mass. after bombings

President Obama signed an emergency declaration for the state of Massachusetts and ordered federal aid to supplement the local response to the Marathon bombings.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2013/04/17/BostonGlobe.com/Metro/Images/ab7ab413cb6d45d3bb5a476ce9457d13-ab7ab413cb6d45d3bb5a476ce9457d13-0-4234--90x90.jpg At hospitals, training for disasters gets put to test

At trauma centers across Boston Monday, doctors and nurses were pulled from treating routine chest pain and twisted ankles.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2013/04/17/BostonGlobe.com/Metro/Images/suarez_marathongoosamaritans_Met_001--90x90.jpg Runners, spectators raced to save lives

Joe Stavas and his daughter Natalie, both doctors and Marathon runners, were among those who offered first aid to the wounded and exhausted.

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Sabres 3, Bruins 2

Paul Constantine of New Bedford held a flag at TD Garden.

Bruins lose on an emotional night at TD Garden

On a night when TD Garden remembered the bombing victims, the Bruins gave up the tying goal with less than a minute to go in regulation, and then lost in a shootout.