Local News One Boston Day April 15, 2016 / 3:41 PM EDT / CBS News (WBZ-TV) One Boston Day (WBZ-TV) One Boston Day (WBZ-TV) One Boston Day (WBZ-TV) One Boston Day (WBZ-TV) One Boston Day (WBZ-TV) One Boston Day Mayor Marty Walsh and others pause for a moment of silence. (WBZ-TV) One Boston Day Boston residents pause for a moment of silence. (WBZ-TV) One Boston Day (WBZ-TV)