French President Francois Hollande and French politicians attend a mass to pay tribute to French priest...
(R-L) French President Francois Hollande stands next to French Prime Minister Manuel Valls, French Senate speaker Gerard Larcher, French National Assembly speaker Claude Bartolone, former French President Valery Giscard d'Estaing, Nicolas Sarkozy, head of France's Les Republicains political party and former French president, Les Republicains political party member Bruno Le Maire and French Foreign Minister Jean-Marc Ayrault, during a mass to pay tribute to French priest Father Jacques Hamel at the Notre-Dame Cathedral in Paris, France, July 27, 2016. Father Jacques Hamel was killed on Tuesday in an attack on a church at Saint-Etienne-du-Rouvray near Rouen that was carried out by assailants linked to Islamic State. REUTERS/Benoit Tessier