Crowds gather to watch UK D-Day commemoration event in Portsmouth Members of the public gather to watch a commemoration of the D-Day landings, the day ahead of their 75th anniversary, as world leaders mark the event in Portsmouth, one of the key boarding locations for the World War 2 invasion. Those without tickets will have to watch the event on big screens, as views of the event itself are blocked off. IMAGES AND SOUNDBITES / to complete VIDI1H9296_EN