(From L) Samuel Sandler, father and grandfather of three of the victims of Islamist gunman Mohamed Merah, the Mayor of Lille and Socialist Party member Martine Aubry, Hassen Chalghoumi, Imam of the northern Paris suburb of Drancy and president of the French Association of Imams, French writer Marek Halter, UMP right-wing party member Eric Woerth and Joel Mergui, president of the Central Jewish Consistory of France and Pierre Gattaz (3rdR), head of the French employers’ association (MEDEF) (5thR) take part in a Unity rally “Marche Republicaine” in Paris on January 11, 2015 in tribute to the 17 victims of a three-day killing spree by homegrown Islamists. AFP PHOTO / ERIC FEFERBERG