A row has broken out between Wikileaks and one of the newspapers it collaborated with to leak US diplomatic cables. The whistle-blowing group said unredacted versions of the 251,000 diplomatic cables had been leaked on the internet. Wikileaks blamed the disclosure on the Guardian newspaper and said it had started legal action against the paper. The newspaper has strongly denied the claims, blaming a "security breach". In a short statement on Twitter, Wikileaks said: "A Guardian journalist has, in a previously undetected act of gross negligence or malice... disclosed top secret decryption passwords to the entire, unredacted, Wikileaks Cablegate archive.

More than 100,000 people have paid to go behind the Times and Sunday Times' new online paywalls but visits to their websites have fallen by about 87%.

The British Library has announced a 10-year project to make 40m pages from its newspaper archive available online.

Consolidating its position at the cutting edge of new media technology, the Guardian today announces that it will become the first newspaper in the world to be published exclusively via Twitter, the sensationally popular social networking service that has transformed online communication.

The first use of a video inside a print title has made its debut inside the American magazine Entertainment Weekly. The small screen, built into a cardboard insert, contains an advert for Pepsi Max and trailers for US TV network, CBS. There are also in-built speakers, so the viewer can hear the advert too.

A Russian ex-KGB agent could soon be in control of London daily newspaper the Evening Standard. Billionaire businessman Alexander Lebedev is believed to have made an offer for a 76% share of the paper.