First clarissa ward s report. reporter: beginning of a 24 hour shift for paramedics, aleksandra and vladimir vensel, they prepare the ambulance for the carnage that kharkiv residents confront everyday. we have two tourniquets vladimir says, aleksandra s mother stops by the dispatch center to give her daughter a hug. this is one of the most dangerous jobs. every moment together is precious. a loud stream of booms signalled the days work is beginning. that s incoming now, this ambulance worker tells us. aleksandra and vladimir answer the call. she says, the code used when someone has been wounded by shelling. their flack jackets on, they re
they are surrounded by russian forces. she says she has the feeling it s still late february and the world is just watching. it s hard to imagine two months and a day. cnn s clarissa ward in kharkiv for us tonight after a very close encounter with the russian practice of targeting a residential area twice. reportedly, the second time to kill emergency workers who have responded to the first attack, also cnn s kaitlan collins at the white house, in brussels, cnn s nic robertson with the position now to not put sanctions on someone close to vladimir putin and reporting on two mysterious explosions in moldova to the southwest, cnn s phil black. first, clarissa ward s report. reporter: beginning of a 24 hour shift for paramedics, aleksandra and vladimir vensel, they prepare the ambulance for