Black holes 'do not exist'

Black holes are staples of science fiction and many think astronomers have observed them indirectly. But according to a physicist at the Lawrence Livermore National Laboratory in California, these awesome breaches in space-time do not and indeed cannot exist.

I read the book "A brief History of Time" some 10 times to understand the concept and now someone denies the very exsistence......
Well, Nature has this report.