David Cameron dismisses calls for UKIP leader Nigel Farage to be allowed to take part in the leaders' debates at the next general election, due in 2015.

Infectious bacteria have for the first time been caught performing "biological alchemy" to transform parts of the body into those more suited to their purposes, by a team in Edinburgh.

The UK's transport network takes steps to reduce disruption as heavy snow is forecast, with a "rare" red weather warning issued in Wales.

Sony agrees to sell its US headquarters in Manhattan for $1.1bn (£690m) as the troubled Japanese music group seeks to raise cash.

The number of Britons "at risk" in the Algeria hostage situation is "significantly reduced" from earlier estimate of "less than 30", PM David Cameron says.

The parents of a Derbyshire toddler who died after drinking his mother's methadone from a beaker are found guilty of manslaughter.

Paul McKeever, the chairman of the Police Federation of England and Wales, dies in hospital after being taken ill.

A controversial portrait of The Queen, hidden from view for 60 years because it looked nothing like her, finally goes on public display in Liverpool.