Coventry Cathedral glass engraving damaged in set-up for music event

Figure in John Hutton's west screen, considered a 20th-century masterpiece, cracked by ladder used in lighting rig

Deep cracks have appeared in one of the huge angels etched into John Hutton's west screen of glass panels at Coventry Cathedral after a major music event.

It has prompted concern that the increase in cathedrals hosting outside events, a big source of revenue, risks damaging some of the UK's most important religious architecture.