>>The source said: “Leaking monetary policy stuff would have been, and still is, a hanging offence,” and an immediate internal inquiry was launched. But it failed to identify where the leak was coming from, so no action was taken and the case was closed.

Well, they would have hung him if they could've found him! So said the anonymous source. Since the quote comes from an official at the bank, and not the authorities, I guess it's a euphemism for firing?