Summer Street in downtown Boston is empty as authorities hunt for the Boston Marathon bombing suspect on April 19, 2013. Much of the Boston area was closed or on lockdown during the investigation, and residents were asked to stay inside.
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A man crosses a vacant Beacon Street, across from Boston Common.
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Federal Street, in the Financial District
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The Boston Red Sox postponed a baseball game because of the manhunt.
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Moody Street was deserted in nearby Waltham, Massachusetts.
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Congress Street in Boston
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Beacon Street, with a view toward the Massachusetts State House
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The area near Boston's Downtown Crossing would usually be filled with lunchtime crowds.
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The Boston Public Garden
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Congress Street at Milk Street
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The Boston Public Garden
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The area around the North Station next to the TD Garden
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The Harvard Bridge, known locally as the Massachusetts Avenue Bridge
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A lone bicyclist makes his way across the Longfellow Bridge.
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Watertown Square
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Friend Street near North Station
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A flower sits near the site where a police officer was killed in nearby Cambridge, Massachusetts.