Current TV, the network co-founded by former US vice-president Al Gore, was sold for about $500m (€383m) to Al Jazeera, the Qatar-based news channel, according to two people with knowledge of the deal.

The OJ Simpson's book saga took another twist today when his former sister-in-law, Denise Brown, accused the media company behind the project of trying to buy her family’s silence for “millions of dollars.”