The rumours began with a report out of a Perth radio station which was based on some kind of anonymous email. With little to substantiate the rumours, the story went worldwide. And in defense of everyone who reported on the rumours, they did sound credible–especially the big concerning Malcolm Young’s health.
However, AC/DC says everything is fine. They’re categorically denying rumours that they’re about to pack it in.
Billboard has the whole story here.