Endless people with hammers, pick axes, chisels and bare hands gouged souvenir lumps from the wall’s masonry that had been torn down, the first of the “wall peckers.” I was no exception.

A gang of thieves armed with ropes, chisels and hammers stole more than one million rand (£70,000) in concert takings from a Justin Bieber gig in South Africa, according to reports. The BBC says ...