Kyiv Mayor Vitali Klitschko has urged residents who can do so to leave the city and those who stay to stock up on food, water and medicines, saying the situation is difficult and could get worse.

KYIV, Ukraine — Don’t tell Ievgen Klopotenko that borsch is just food. For him, that bowl of beet-and-meat soup is the embodiment of everything Ukraine is fighting for. “Food is a powerful social ...