This combination made with undated photos released by the Boston Fire Department via Twitter shows firefighters Michael R. Kennedy, left, and Lt. Edward J. Walsh, who were killed Wednesday, March 26, 2014, when trapped the basement while fighting a fire in an apartment building in Boston. Kennedy, 33, a Marine Corps combat veteran was assigned to Ladder 15, and had been a firefighter for more than six years. Walsh, 43, and a father of three, was assigned to Engine 33, and had been a firefighter for almost a decade. (AP Photo/Boston Fire Department)
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