N. Ireland remembers 'Bloody Sunday' victims on 50th anniversary

Fifty years after "Bloody Sunday," Northern Ireland this weekend commemorates one of the most painful episodes during more than three decades of violence between Catholic nationalists and Protestant unionists.

Children hold flowers as they retrace the steps of the original 1972 civil rights march in a walk of remembrance to mark the 50th anniversary of "Bloody Sunday," in Londonderry, Northern Ireland, Jan. 30, 2022.

Bandsmen take part in the annual "Bloody Sunday" march from the Creggan area to the Bogside in Londonderry (Derry), Northern Ireland, Jan. 30, 2022.

People gather by a mural in the Bogside area of Londonderry (Derry), in Northern Ireland, Jan. 29, 2022, on the eve of the 50th anniversary of the "Bloody Sunday" shootings.

A man walks past graffiti, as people prepare to mark the 50th anniversary of "Bloody Sunday" in Londonderry, Northern Ireland, Jan. 30, 2022.

A man holds flowers as he retraces the steps of the original 1972 civil rights march in a walk of remembrance to mark the 50th anniversary of "Bloody Sunday" in Londonderry, Northern Ireland, Jan. 30, 2022.

A rainbow appears above people gathering for a memorial service in the Bogside for a wreath-laying ceremony at a monument to those killed on "Bloody Sunday," in Londonderry (Derry), Northern Ireland, Jan. 30, 2022.

Flowers are seen during a memorial service to mark the 50th anniversary of "Bloody Sunday" in Londonderry, Northern Ireland, Jan. 30, 2022.

People retrace the steps of the original 1972 civil rights march in a walk of remembrance to mark the 50th anniversary of "Bloody Sunday" in Londonderry, Northern Ireland, Jan. 30, 2022.

Flowers are seen laid at the "Bloody Sunday" memorial, a monument to those killed on Bloody Sunday, in Londonderry (Derry), Northern Ireland, Jan. 30, 2022.

People stand by a mural depicting the victims of "Bloody Sunday" as they retrace the steps of the original 1972 civil rights march, in a walk of remembrance to mark the 50th anniversary, in Londonderry, Northern Ireland, Jan. 30, 2022.

People hold pictures of the victims of "Bloody Sunday" as they retrace the steps of the original 1972 civil rights march, in a walk of remembrance to mark the 50th anniversary, in Londonderry, Northern Ireland, Jan. 30, 2022.

People attend a memorial service to mark the 50th anniversary of "Bloody Sunday" in Londonderry, Northern Ireland, Jan. 30, 2022.

People take part in a Republican walk of remembrance to mark the 50th anniversary of "Bloody Sunday," in Londonderry, Northern Ireland, Jan. 30, 2022.

Actors Bronagh Gallagher and Jamie-Lee O'Donnell speak during a "Beyond the Silence" tribute event at Millennium Forum to mark the 50th anniversary of "Bloody Sunday" in Londonderry, Northern Ireland, Jan. 30, 2022.

People take part in a Republican walk of remembrance to mark the 50th anniversary of "Bloody Sunday," in Londonderry, Northern Ireland, Jan. 30, 2022.

Actors Bronagh Gallagher and Jamie-Lee O'Donnell hold hands during the "Beyond the Silence" tribute event at Millennium Forum to mark the 50th anniversary of "Bloody Sunday" in Londonderry, Northern Ireland, Jan. 30, 2022.

People take part in a Republican walk of remembrance to mark the 50th anniversary of "Bloody Sunday," in Londonderry, Northern Ireland, Jan. 30, 2022.

People take part in a Republican walk of remembrance to mark the 50th anniversary of "Bloody Sunday," in Londonderry, Northern Ireland, Jan. 30, 2022.

A woman prepares for a walk of remembrance to mark the 50th anniversary of "Bloody Sunday" in Londonderry, Northern Ireland, Jan. 30, 2022.

Maisie McLaughlin, great-granddaughter of Bernard McGuigan who was killed during "Bloody Sunday," retraces the steps of the original 1972 civil rights march in a walk of remembrance to mark the 50th anniversary, in Londonderry, Northern Ireland, Jan. 30, 2022.

John Kelly, whose brother Michael was shot dead on "Bloody Sunday," poses in the Museum of Free Derry in the Bogside area in Londonderry (Derry) in Northern Ireland, Jan. 18, 2022.

Memorabilia is displayed in the Bloody Sunday Museum in the Bogside area in Londonderry (Derry) in Northern Ireland, Jan. 18, 2022. Families mourning fathers and sons killed by British soldiers on "Bloody Sunday" have long battled to prove their relatives' innocence and still hope to see justice served.

People stand beneath a mural depicting the late Bishop Edward Daly waving a white handkerchief as Jackie Duddy is carried away during the 1972 "Bloody Sunday" killings, in the Bogside area of Londonderry (Derry), in Northern Ireland, Jan. 29, 2022, on the eve of the 50th anniversary of the shootings.