Guardian in talks to sell world's oldest Sunday paper

The owner of the Guardian has confirmed it is in talks to sell the Observer, the world's oldest Sunday newspaper, to Tortoise Media. Tortoise has approached Guardian Media Group (GMG) with an offer to invest around £25m over the next five years on the "editorial and commercial renewal" of the Observer. Tortoise was launched five years ago by James Harding, a former BBC News chief and a former editor of the Times…