Sony unveils a 6.4in waterproof handset in China which can be used with a normal pencil or metal-tipped pen as an alternative to a stylus.

South Korea issues a cyber alert after an apparent hacking attack on government websites, including the presidential office.

Questions and answers about what is now known about the Prism - an internet surveillance scheme carried out by the US National Security Agency.

Russia says fugitive US intelligence leaker Edward Snowden has not crossed into the country, as the US repeats demands that he should be handed over.

An EU lawyer says Google does not have to remove sensitive information in a case likely to influence wider debate about data control.

A survey of English councils that are commissioning high-speed broadband access in rural areas has found many have yet to receive their share of a £530m government fund.

Drayson Racing sets a new world land speed record for a lightweight electric car at a racetrack in Yorkshire, travelling over 200mph.