French President Francois Hollande observe a minute of silence surrounded by heads of state including (LtoR) Israel's Prime Minister Benjamin Netanyahu, Mali's President Ibrahim Boubacar Keita, Germany's Chancellor Angela Merkel, European Council President Donald Tusk, Palestinian President Mahmoud Abbas and King Abdullah of Jordan and Queen Rania Al Abdullah as they attend the solidarity march (Marche Republicaine) in the streets of Paris January 11, 2015. French citizens will be joined by dozens of foreign leaders, among them Arab and Muslim representatives, in a march on Sunday in an unprecedented tribute to this week's victims following the shootings by gunmen at the offices of the satirical weekly newspaper Charlie Hebdo, the killing of a police woman in Montrouge, and the hostage taking at a kosher supermarket at the Porte de Vincennes.