Millions of people, including a host of world leaders, march in Paris in an unparalleled show of solidarity with the people of France following a three-day spree of terrorist violence.
L-R: Israel's Benjamin Netanyahu, Mali's Ibrahim Boubacar Keita, France's Francois Hollande, Germany's Angela Merkel, the EU's Donald Tusk, and Palestinian President Mahmoud Abbas march during a unity rally in Paris January 11, 2014.
A general view shows hundreds of thousands of French citizens taking part in a solidarity march (Marche Republicaine) in the streets of Paris, Jan. 11, 2015.
Thousands of people gather at the Place de la Republique in Paris, France, Jan. 11, 2015.
Police block a street to hold back the public demonstration near Place de la Republique in Paris, Jan. 11, 2015.