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Now on the BBC World Service,

a special edition of our history program Witness,

with me, Alex Last.

Our story begins in the chaotic aftermath of the Second World War.

Captive children, Alapheel from Germany.

Here is David Lloyd James.

This is the third broadcast made on behalf of 45 Allied children,

who have been Nazi captives and have no homes.

This is a BBC broadcast from 70 years ago.

After the war, thousands of children who managed to survive the Holocaust

were left stranded across Europe, their parents dead or missing.

So in 1946, the BBC decided to make a series of special appeals

on behalf of a group of these children,

who thought to have relatives in Britain.

This is the only episode that survived.

I call Kacz, Zalma Kacz, who may be living in London.

I call her on behalf of her 16-year-old cousin, Helab Bergmann, born in Poland,

who was separated from her family at the age of 12

and made to work in an ammunition factory.

...