Stunning pictures show men firing rockets at rival churches ' bell towers in 100 years 'war ' , as part of age-old tradition . President Putin attends solemn mass in Moscow with the country 's Prime Minister and the Mayor of the city . Pope Francis , head of Roman Catholic Church , marks annual since Armenian Genocide with special service .
Stunning pictures show men firing rockets at rival churches ' bell towers in annual 'war ' , as part of age-old tradition . President Putin attends solemn mass in Moscow with the country 's Prime Minister and the Mayor of the city . Pope Francis , head of Roman Catholic Church , marks 100 years since Armenian Genocide with special service .