Auschwitz survivor Iby Knill's powerful memories

Holocaust survivor Iby Knill recalls her time in the Auschwitz-Birkenau concentration camp in Nazi-occupied southern Poland.

She and four friends were taken there in June 1944.

Iby, who was born in what is now the Czech Republic in 1923, but has spent much of her life in Leeds, said it was their support which kept her going.