It's always tempting after one to many Pimm's to say more than I should...
BBC Prime suffered the least of any channel, followed by BBC World.
The feed of BBC World that goes to Europe was not affected as such, but was because of lack power to news, and so could not continue. The Europe stream was affected, but only by content.
It's bit of a running joke in Presentation that World & Prime seem to come up smelling of roses whenever their is a crisis. (must be the staff
More than this I dearn't say. (except what happened to UKTV was humourous... but my lips are sealed !)