"Prof Ian Wilmut's decision to turn his back on "therapeutic cloning", just days after US researchers announced a breakthrough in the cloning of primates, will send shockwaves through the scientific establishment.
He and his team made headlines around the world in 1997 when they unveiled Dolly, born July of the year before.
...
Prof Wilmut's decision signals the lack of progress in extending his team's pioneering work on Dolly to humans.

The hurdles seem to have been overcome a few years ago by a team led by Prof Hwang Woo-Suk in South Korea, with whom he set up a collaboration.

Then it was discovered Prof Hwang's work was fraudulent. "We spent a long time talking to him before discovering it was all a fraud," he said. "I never really got started again after that." "
telegraph.co.uk