to voice their anger at russia and often putting themselves in harm's way. in direct confrontation with russian troops. have a look at this. this is in the city of kherson, and you see that man jumping onto a russian armored personnel carrier, waving the ukrainian flag. the city's mayor telling cnn earlier, the city is surrounded and russian troops are everywhere. now, all of this coming as the temporary cease-fire in parts of eastern ukraine to let several yans get to safety is now on hold, after allegations russian fighters violated the agreements of that cease-fire. russia blaming ukraine. and an ominous threat from the russian president, vladimir putin.