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War in Ukraine: Refugee crisis
Growing influx strains resources of small European states
Exodus could be more than 4m; concerns that initial welcome may fade as conflict grinds on
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When Ms Oleksandra Oliinykova and her sister fled Kyiv two weeks ago, they did not know if they would ever return.
As gunfire erupted and sirens went off in the Ukrainian capital, Ms Oliinykova confronted her worst fears - the war was at her doorstep and the Russian attack was no longer a distant reality.
