city of kherson, russia is tightening its grip. ukraine s flag has been lowered at the city council building. the u.s. mayor says they have seized the local government and plan to stage a referendum to assert here control. and if you crane s north, russian air assaults pummelled kharkiv. most of the residents have fled the constant shellings. for those who remain, or simply cannot leave, it is a difficult life. mark austin met one of the women who stay behind. reporter: it is no place at all for anyone to live, but a few still do. and when help arrives, they are overcome. thank you, she tells the volunteers. you are var brave to come here. but she is 74. she tells us she has lived here for half her life and for the