People hold a sign reading "rescue" during a silent commemoration for the victims of a boat accident,...
People hold a sign reading "rescue" during a silent commemoration for the victims of a boat accident, in Vienna, April 20, 2015. As many as 700 migrants were feared dead on Sunday after their boat capsized in the Mediterranean, raising pressure on Europe to face down anti-immigrant bias and find money for support as turmoil in Libya and the Middle East worsens the crisis. REUTERS/Leonhard Foeger