Coco the cocker spaniel has been brought into hospital wards to sniff for drugs and illegal substances.
See her in action, and from her perspective, below:
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The magic lantern slides, photographed by Hull trawlerman William Nowell, illustrate the vast gulf between rich and poor at the time
The Jarrow Crusade saw 200 people walk to London in October 1936 to deliver a petition to Parliament demanding work
A 19-year-old student at Northumbria University has died from meningitis.