A man walks past a house with a broken window Saturday in Kyiv, Ukraine. Explosions and gunfire have destroyed homes across the country. Photo: VCG

In Odesa, Ukraine, a child boards a ferry bound for Romania with her family Saturday. The conflict between Russia and Ukraine has led more than 150,000 civilians to seek refuge in Poland and other neighboring countries, the U.N. refugee agency said Saturday. Photo: VCG

Refugees from Ukraine exit a train station Sunday in Záhony, Hungary. Photo: VCG

Refugees wait for trains to Poland Sunday at a railway station in Lviv, Ukraine. Photo: VCG

A Ukrainian woman carrying her cat crosses a Ukrainian-Polish border Friday. Photo: VCG

Refugees reunite with their families Saturday at a border crossing with Poland. Photo: VCG

People wait for Ukrainian refugees Friday at a border crossing in Medyka, Poland. Photo: VCG

A man looks out a broken window Saturday from an apartment in Horlivka, Ukraine. Photo: VCG

A woman clears the rubble from her damaged apartment after shelling in the eastern Donetsk region on Sunday. Photo: VCG

Recent shelling in Trudovskiye outside Donetsk left this home damaged. Photo: VCG

A firefighter puts out flames at an apartment that had been struck by a missile Saturday in Kyiv. Photo: VCG

Debris sags from the upper floors of an apartment building damaged during Russia’s attack on Kyiv Saturday. Photo: VCG