The US National Security Agency has been hacking data links connecting Yahoo and Google's data centres, documents leaked by Edward Snowden say.

James Blake wins this year's prestigious Mercury Prize for best British or Irish album of the year with Overgrown.

There are too many emergency admissions to hospitals in England, according to the government spending watchdog.

Energy Secretary Ed Davey is expected to unveil more details of the government's proposals to review competition in the energy market.

The US criticises Germany's economic policies, saying that its export-led growth model is hurting the eurozone and the wider global economy.

New York City Council votes to raise the minimum age for buying cigarettes from 18 to 21, a move the bill's sponsor says will save "many" lives.

Experts say there should be greater focus on the positive effect internet forums and chatrooms can have.

Universities across the UK face disruption from a one-day walkout by lecturers and support staff in a dispute over pay.