http://www.thesun.co.uk/sol/homepage/features/article1630897.ece

SCIENTISTS are trying to stop the most powerful experiment ever - saying the black holes it will create could destroy the world.
...Experts even predict that millions of tiny black holes will be produced -- baby brothers of the monsters gobbling up dust and stars at the heart of the galaxies.
...But the anti-CERN brigade accuse the scientists of playing God, warning that no one can guarantee that the black holes will not survive, rapidly growing in size to suck the Earth out of existence in an instant.

But CERN, which includes several UK scientists, say their work is vital to unlock the secrets of matter that forms everything known in the universe.