metal detectors

This article makes the perils of metal detecting very clear! It tells us:

A grandfather who thought he had found a precious silver ring in the ground ran for his life after discovering it was a pin attached to a hand grenade.

John Hill, 67, was with his family scouring farmland with a metal detector when he stumbled across the shiny metal loop.

He pulled what he hoped was an ancient ring from the ground but then discovered the ring was attached to a pin hanging out of a live Second World War grenade.

Grandsons James, 14, Dylan, five and Sidney, two, had gathered round to take a look at what he had found.

But as he yanked it from the soil Mr Hill realised he was actually clutching a safety pin that was still attached to a decades-old explosive.