The founder and chief executive of Groupon, Andrew Mason, is ousted after another quarterly loss prompts a 24% slide in the online voucher firm's share price.

New Zealand's Court of Appeal has said that US prosecutors do not need to disclose their evidence in their fight to extradite Megaupload's Kim Dotcom.

Nigel Farage says it is only a matter of time before the UK Independence Party wins its first Westminster seat, as it seeks to build on its best-ever result in Eastleigh.

Broadcaster Andrew Marr leaves hospital almost two months after suffering a stroke, and will continue his recovery at home, the BBC says.

A four-legged robot called BigDog now also sports an arm powerful enough to lift and throw breeze blocks.

South African President Jacob Zuma condemns an incident captured on video showing a taxi driver being dragged through the streets by a police van.

The government is deliberately misusing evidence and statistics to misrepresent the plight of the poor, a report says.

Women with late-stage breast cancer have lower survival chances in the UK than in other high-income countries, research suggests.