good evening and welcome to the bbc news at ten, live from the western ukrainian city of lviv. the head of the united nations has appealed for an end to the war in ukraine, saying people here are enduring "a living hell". ukraine says ten hospitals have been destroyed in the russian bombardment so far, and major cities are running short of both food and medical supplies. heavy fighting is continuing in many parts of the country. but our first report tonight comes from the southern town of voznesensk, where troops and a small population ofjust 35,000 people have seen off an attack by the russian army. 0ur correspondent andrew harding has been there. in war, a single bridge can