Students who visited Auschwitz this week said they could not put into words the shock they felt after learning about the events which happened at the camp.
From early 1942 until late 1944, transport trains delivered Jews to the camp's gas chambers from all over German-occupied Europe.
Around 1.3m people were reported to have died there - but some say the figure could be as high as 2.5m.
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Weather tonight: Showery outbreaks of rain.
The victim, a Leeds woman aged in her fifties, was walking her animal along Bootham in York on Friday evening at around 8pm.
A coroner's document seen by ITV News calls on the holiday industry and government to act to prevent a repeat of two children's deaths.