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People gathered at a makeshift memorial for victims near the site of the Boston Marathon bombings at the edge of the still-closed section of Boylston Street.

DOMINICK REUTER/Reuters

A woman hugged an MIT police officer after a vigil in Wilmington for slain officer Sean Collier.

Matthew J. Lee/Globe Staff

Julie Maloney (left) and her sister, Cynthia Maloney, attended a vigil in Watertown.

DOMINICK REUTER/Reuters

People held candles for Collier at the Town Common in Wilmington.

DOMINICK REUTER

Andrew Collier grieved during the vigil for his brother, the MIT police officer killed Thursday.

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A woman made a sign during a candlelight vigil for victims of the Boston Marathon bombing at Watertown's Victory Park.

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Watertown residents gathered for a vigil a day after a manhunt in the area ended with the apprehension of 19-year-old bombing suspect Dzhokhar A. Tsarnaev.

Josh Reynolds for The Boston Globe

A Red Sox fan held a flag during the broadcast of a memorial program.

Josh Reynolds for The Boston Globe

Boston police officer Tim Hicks gave 6-year-old Shane Evans a turn on the seat of his motorcycle outside Fenway Park.

Josh Reynolds for The Boston Globe

Bob Goodman of Watertown, who was at the finish line at the Boston Marathon and lived in the neighborhood where bombing suspect Dzhokhar Tsarnaev was captured, reacted during opening ceremonies.

WINSLOW TOWNSON FOR THE BOSTON GLOBE

Law enforcement officers stood at attention during pregame ceremonies.

WINSLOW TOWNSON FOR THE BOSTON GLOBE

Neil Diamond sang "Sweet Caroline" during the middle of the eighth inning.

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Attendees at today’s game at Fenway Park.

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Fans held a flag outside Fenway Park before today’s game.

Jim Rogash/getty images

The scene outside Fenway Park.

Michael Dwyer/associated press

Fans passed through security as they entered the park.

Michael Dwyer/associated press

Fans sang the national anthem.

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Governor Deval Patrick was on the field with other officials and guests.

Jessica Rinaldi/reuters

David Ortiz spoke before the game at Fenway.

Michael Reynolds/epa

A Red Sox hat and flowers were at a memorial near Fenway.

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Fans held signs at TD Garden during the game against the Penguins.

Mary Schwalm/associated press

Andrew Ference, right, talked with Chris Kelly. The Bruins wore hats from local law enforcement agencies before the game.

Mary Schwalm/associated press

Bruins goalie Anton Khudobin paused during warm-ups.