i just want my ukrainian people to be safe. >> reporter: tatiana fled to the relative safety of lviv, as well, with her son nikita but not his father who is fighting on the front lines. >> translator: his father is in kyiv now, and fighting for kyiv. i don't always have the possibility of calling, of knowing he's still alive. >> reporter: the war has made oxana a single mother, too. her reservist husband called up to fight. how much longer do you think you can deal with this? >> translator: it's hard to say. as long as needed because i have no options. >> reporter: one man feels responsible for everyone in this city, residents and the displaced alike. the mayor. >> it is huge responsibility. it is my duty, citizens. my duty, refugees. my duty, maximum support ukrainian army. my duty, management territorial