Oh my God. I just saw this on the BBC news, came right out of the blue because I haven't been online for hours.
Shit, I can't describe how shocking that was, as soon as they mentioned her name I knew but...aw crap, it was horrible, but Courtney made sense given his age, 63's no bloody age.
Like someone else said, Lis was one of my very first crushes as a child growing up and watching Doctor Who....I just can't believe it.
RIP Lis, thanks for playing a wonderful character who meant a lot to many, many people. You won't ever be forgotten