People hold signs reading "East don't shoot !" and "Donbass Don't be silent - speak !" as they take part in an anti-war demonstration in the Ukrainian capital Kiev on May 22, 2014. Pro-Russian rebels firing mortar shells and grenades killed 14 Ukrainian soldiers today, the blackest day yet for the military and a dramatic ratcheting up of tensions just three days before a crunch election. AFP PHOTO / YURIY KIRNICHNY        (Photo credit should read YURIY KIRNICHNY/AFP/Getty Images)