all right. welcome back. this is cnn's special live kofrpblgt russian invasion of ukraine. i want to show you some video right now. this morning we are just getting a new understanding of what we know is happening here. these are nuclear power plant workers trying to block access to the russians who are trying to sraopbs on a nuclear power plant. you can see them throwing op sta cals to block the russian advance towards this nuclear plant. it is just one of several around the country. everyone knows chernobyl, but there are other sites as well. this is right here where they were trying to block. also this morning, ukrainians are asking for assistance to try to keep the russians away from the nuclear sites because there is concern about what might happen if it falls into russian hands.