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Two sisters are stuck in the middle of the Ukrainian war and regularly say goodbye at Warsaw train station in Poland.

According to the UN, when the war began 9.6 million Ukrainians fled across the border to Poland. Roughly 2 million are still there.

That means one in seventeen people living in Poland is a Ukrainian refugee. Many are naturally reluctant to put down roots, but Poland has granted them the right to work, to attend school and to receive social benefits.

The schools are straining, with some children being remote schooled from Ukraine by choice. Speaking to refugees, most are keen to work if they can and have filled gaps in the workforce, but they long for home.

Newsnight’s Kirsty Wark reports from Warsaw.