'I hope the handbrake's on!' remarks the spotter of this latest example of dubious safety practice in the roofing trade

Surveying student Richard Cobb was coincidentally just swotting up on health and safety regulations when he looked up to see a real-life illustration of “how not to access a roof”. Things didn't improve when they proceeded further up the roof, either – see bottom.

Ladder balanced on truck

Men on stone roof