Impassioned crowds take to the streets in Boston

Hundreds of protesters flooded the city’s streets Tuesday night, marching from Roxbury to Back Bay and beyond.

John BLanding/Globe Staff

Protesters and police met in Dewey Square.

John Blanding/Globe Staff

Police said more than 15 demonstrators were arrested.

Josh Reynolds for the Boston Globe

Demonstrators gathered near South Station.

Josh Reynolds for the Boston Globe

Emerson Brandao of Roxbury stands in front of officers.

Barry Chin/Globe Staff

Protesters tried to gain access to Interstate 93 but were blocked by police.

John Blanding/Globe Staff

Police and demonstrators met near an entrance ramp onto Interstate 93 at Melnea Cass Boulevard.

John Blanding/Globe Staff

Police and demonstrators pushed against each other near Melnea Cass Boulevard and Mass. Ave.

John Blanding/globe Staff

Police stopped demonstrators after they walked from Dudley Square.

Josh Reynolds for the Boston Globe

Protesters and police were in a stand-off near Interstate 93.

Josh Reynolds for the Boston Globe

City Council member Tito Jackson led demonstrators away from the Mass. Ave. on-ramp.

Josh Reynolds for the Boston Globe

Jose Honore, 18, and Bernadine Desanges, 24, both of Hyde Park, participated in a rally in Dudley Square.

Josh Reynolds for the Boston Globe

Johnnie Hamilton-Mason, a professor at Simmons College and resident of Hyde Park, held a candle during a silent vigil in Dudley Square.

Brian Snyder/Reuters

Inmates at the South Bay House of Corrections put their hands in the air after taping “Mike Brown” on the window of their cell.

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Emilio Howell held a

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Bill Cosby helped Berklee College of Music mark its 60th anniversary with a performance at the Wang Center on Jan. 28, 2006.

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A satellite image taken early Tuesday showed a low pressure system that is causing a line of thunderstorms to develop across the mid-Atlantic.

NOAA via Weather Underground/AP

First winter storm expected to hamper busy travel day

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Will Lautzenheiser showed how he can use his newly transplanted arms to hug his partner, Angel Gonzalez.

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