John Kelly, brother of Michael Kelly who was killed on Bloody Sunday in Derry's Bogside in 1972, holds an image of his brother beside the Civil Rights mural in Derry, Northern Ireland. PA
John Kelly, brother of Michael Kelly who was killed on Bloody Sunday in Derry's Bogside in 1972, holds an image of his brother beside the Civil Rights mural in Derry, Northern Ireland. PA

Bloody Sunday families yearn for justice 50 years on