The BBC has become tangled in the row over the alleged manipulation of scientific data on global warming.

One of its reporters has revealed he was sent some of the leaked emails from the Climatic Research Unit at the University of East Anglia more than a month ago but did nothing about them

Despite the explosive nature of some of the messages Paul Hudson failed to report the story.

It was only after the same emails were published on a blog called Air Vent that Look North climate correspondent Mr Hudson owned up . . . . In a bizarre twist, he claimed the )CRU) leak had been triggered by an article he had written that questioned global warming