French-Armenian singer Charles Aznavour was a guest at the ceremony along with President Francois Hollande
People lay flowers at the Tsitsernakaberd Memorial in YerevanRussian President Vladimir Putin greets Francois Hollande at the centenary commemoration in YerevanHundreds of Iranian Armenians take part during a protest demonstration in front of the Turkish embassy in Tehran
An Iranian-Armenian woman at a demonstration in TehranVladimir Putin takes part in Armenian centenary comemorationA camerman looks on as soldiers stand guard in front of the Tsitsernakaberd Memorial nAn emotional ceremony was held in the Armenian capital Yerevan
