The Riddle Of The Hoyland Fish

When a clock fell off the wall in Hoyland Town Hall in South Yorkshire, few gave it a second thought - until the caretaker discovered a miniature spy camera hidden behind it.
So why was it was there? The locals are baffled. Was it a case of foul play in a council argument? Or something more high-level?
The Now Show presenter Steve Punt tackles the Hoyland mystery and turns detective to test out a range of theories - including the idea that it was placed there by the security services during the miners' strike.