Frederick D. Reese, pastor at Selma's Ebenezer Baptist Church walks near Water Street during preparations for the 50th anniversary of the civil rights march, Friday, March 6, 2015, in Selma. This weekend marks the 50th anniversary of "Bloody Sunday," a civil rights march in which protesters were beaten, trampled and tear-gassed by police at the Edmund Pettus Bridge in Selma, Ala. (AP Photo/Bill Frakes)

Live tweets from Selma

KOIN sister station WIAT in Birmingham, Alabama has reporters at the scene. These are their live tweets of the events unfolding on and aroun…

In this March 7, 1965 file photo, state troopers use clubs against participants of a civil rights voting march in Selma, Ala. At foreground right, John Lewis, chairman of the Student Nonviolent Coordinating Committee, is beaten by a state trooper. (AP Photo/File)

Photos: Selma in March 1965

March 7, 1965 — 50 years ago — came to be known as “Bloody Sunday” in the civil rights movement.