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.

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

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.

David Cameron insists the Conservatives can "win people back" after they come third behind the Lib Dems and UKIP in the Eastleigh by-election.

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.

Virgin Atlantic unveils details of its UK domestic service, Little Red, which Sir Richard Branson says will challenge British Airways.