Sellafield’s head of information security to step down

Richard Meal is second senior leader to depart following Guardian investigation into failings at UK nuclear waste site

A former Royal Air Force officer who has led Sellafield's information security for more than a decade is to leave the vast nuclear waste site in north-west England, it can be revealed.

Richard Meal, who is chief information security officer at the Cumbrian site, is to leave later this year.