Relatives of Bloody Sunday victims hold remembrance walk and lay wreathes at memorial service in Londonderry to mark 50th anniversary of the shootings that left 13 dead

 Relatives of those killed and injured on Bloody Sunday are taking part in a remembrance walk to mark the 50th anniversary of the atrocity.

The event is one of a series taking place over the weekend in Londonderry. Thirteen civil rights protesters were shot dead by British soldiers on January 30, 1972 in the city.

Another man shot by paratroopers on the day died four months later.

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

The event is one of a series taking place over the weekend in Londonderry. Thirteen civil rights protesters were shot dead by British soldiers on January 30, 1972 in the city

Relatives of the victims hold flowers as they participate in a Walk of Remembrance to Memorial Garden to mark the 50th Anniversary of Bloody Sunday

Family members walk past a mural commemorating the victims during a Walk of Remembrance to Memorial Garden to mark the 50th Anniversary of Bloody SundayWhile many consider him the 14th victim of Bloody Sunday, his death was formally attributed to an inoperable brain tumour.

On Sunday, the crowd gathered at Creggan Shops before making their way to the Bloody Sunday Monument in Rossville Street for the annual memorial service and wreath-laying ceremony at 11am.

Later, the President of Ireland Michael D Higgins will deliver a recorded message to the Bloody Sunday families.

On Sunday, the crowd gathered at Creggan Shops before making their way to the Bloody Sunday Monument in Rossville Street for the annual memorial service and wreath-laying ceremony at 11am

Later, the President of Ireland Michael D Higgins will deliver a recorded message to the Bloody Sunday families

The president's message will be shown publicly during the commemorative event Beyond the Silence, which will take place before a limited audience in Millennium Forum Theatre

His message will be broadcast on a large screen and the occasion will be livestreamed to an online audience

The event will be hosted by actor Adrian Dunbar and will feature tributes to the victims, as well as music and public performances

The forum will fall silent on Sunday at the precise time when 50 years earlier paratroopers opened fire on civil rights marchers in the BogsideThe president's message will be shown publicly during the commemorative event Beyond the Silence, which will take place before a limited audience in Millennium Forum Theatre.

His message will be broadcast on a large screen and the occasion will be livestreamed to an online audience.

The event will be hosted by actor Adrian Dunbar and will feature tributes to the victims, as well as music and public performances.

The forum will fall silent on Sunday at the precise time when 50 years earlier paratroopers opened fire on civil rights marchers in the Bogside.

Relatives of the protesters who were shot walk with other supporters to commemorate the 50th anniversary of the Bloody Sunday killings 

A man walks past a wall with a slogan spray painted on it 'Bloody Sunday The Day Innocence Died' in Londonderry 

One woman holds a sign that reads 'It won't always be like this' during the remembrance march in Londonderry today 

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 of 'Bloody Sunday'