A fire in part of Dounreay's Prototype Fast Reactor (PFR) facility last month led to an "unauthorised release" of radioactivity.
Government borrowing fell to £7.7bn in October, official figures show, down £0.2bn from a year earlier.
A floral painting by late US artist Georgia O'Keefe sells for $44.4m (£28.8m) at auction, setting a record for an artwork by a female artist.
An assault rifle is recovered and four men arrested during a police operation close to Belfast city centre on Thursday night.
American artist Nickolay Lamm has used crowd-funding to create a rival to the Barbie doll, Lammily, with the slogan "average is beautiful".
Ruby Holt, who has spent 100 years living on a farm in Tennessee, has dipped her toes in the ocean for the first time.
Tunisians go to the polls on 23 November to choose a new leader in what is hoped to be the first genuinely free presidential election in the country's history. The BBC explains the background to the election.
Ex-News of the World editor Andy Coulson is released from prison after serving less than five months of his 18-month sentence for conspiracy to hack phones.
The 68-year-old singer cancels the remainder of her Dressed to Kill tour after doctors advised she needs more time to recover from an ongoing viral infection.
Players' union chief Gordon Taylor says Premier League clubs should field at least three English players in their starting XIs.
A four-wheeled bike being showcased at the UK Investment Summit is being developed in Swansea with the inventor hoping it will be a "global force"
Dame Shirley Bassey re-records her hit Goldfinger after 50 years, admitting there were "two wrong notes" in the original James Bond theme.
A hospital is to give so-called "bed blockers" seven days to leave or face possible legal action, saying that too many families are refusing to take elderly relatives home.
England captain Steph Houghton says playing at Wembley against Germany can change the lives of her team-mates.
The parents of jailed Australian Al-Jazeera journalist Peter Greste make a direct appeal to Egypt's President Sisi for his release.
An inquest into the death of Cerys Yemm who was murdered in an act of cannibalism will be opened and adjourned on Friday.
A 29-year-old man is being treated in hospital after he was shot in the leg at a house in Londonderry.
Manchester United to sign Jan Vertonghen and Kevin Strootman, Chelsea give players time off, plus more.
There has been a major jump in spending by firms in Wales to create the hi-tech products of the future, as innovators and businesses hold an investment summit in Newport.
BBC Sport's Robbie Savage on how making it as a Premier League footballer takes more than talent alone.