President Higgins pays tribute to Bloody Sunday victims honoured through rights 'won at great cost' 

A rainbow is seen above the Bloody Sunday Memorial in Derry as people gather to mark the 50th anniversary of Bloody Sunday (PA)

President Michael D Higgins has led tributes to the men who were killed on Bloody Sunday.

Mr Higgins said the victims continue to be honoured through commitment to the rights that “were won at such great cost”.