Police officers sing the national anthem during a ceremony to mark the 1st anniversary of a reformed police service, part of Interior Ministry reforms which introduced road, metro and foot police patrols, in Kiev, Ukraine

Police officers attend a ceremony to mark the 1st anniversary of a reformed police service, part of Interior Ministry reforms which introduced road, metro and foot police patrols, in Kiev, Ukraine

Police officers attend a ceremony to mark the 1st anniversary of a reformed police service, part of Interior Ministry reforms which introduced road, metro and foot police patrols, in Kiev,

Police officers sing the national anthem during a ceremony to mark the 1st anniversary of a reformed police service, part of Interior Ministry reforms which introduced road, metro and foot police patrols, in Kiev, Ukraine August 4, 2016. REUTERS/Gleb Garanich