WATCH LIVE: Marchers gather for commemorative crossing of iconic bridge in Selma, Alabama

March 8, 2015       BREAKING NEWS WATCH LIVE: Marchers gather for commemorative crossing of iconic bridge in Selma, Alabama This is a developing story and we expect to have more information soon. Go toNBCNews.com for further developments.     Keep Reading             For Breaking News, the moment it happens, follow @NBCNEWS Follow @NBCNEWS     More Top Stories     Beacon Battery Expired Before MH370 Vanished: Report > 'Bloody Sunday' Events Continue in Selma > Dog Owners Alarmed at Beneful Suit, Purina Denies Claims > Lindsey Graham: I've Never Sent an Email > Republicans Divided Over Jeb Bush, NBC News Poll Shows >