Two people have been arrested in connection with the disappearance of missing Bristol teenager Becky Watts.
International Space Station astronaut Terry Virts has tweeted a picture of a Vulcan salute from orbit as he paid tribute to the late Star Trek actor Leonard Nimoy:
The BBC's Political Editor Nick Robinson has thanked people for their "kind and generous messages" following the news that he is being treated for a lung tumour.
Theresa May has called the UK's security and intelligence services "true heroes" amid fresh questions over the handling of the Islamic State extremist known as "Jihadi John".
Addressing the Conservative Party's Welsh conference, the Home Secretary issued an impassioned defence of the way they were addressing the danger posed by Islamist extremism and other threats.
"You might not see the work they do. You might not know the risks they take. You might not be told about the plots they stop," May said.
"But these remarkable men and women are true heroes. And they deserve the support and respect of every single one of us."
Avon and Somerset police divers have been carrying out open water searches on a lake in St George's Park close to the home of missing teenager Becky Watts.
Police from neighbouring forces have also been drafted in to help look for the 16-year-old. Two people have been arrested in connection with her disappearance.
ITV News reporter Duncan Golastani reports:
The BBC has wished Political Editor Nick Robinson a 'speedy recovery' as he receives treatment for a lung tumour.
Prime Minister David Cameron has wished the BBC's political editor Nick Robinson 'a speedy return' after it was revealed that he will be taking time off from work to receive treatment for a lung tumour.
Britain's ambassador to Russia Sir Tim Barrow has laid flowers at the site in Moscow where Russian opposition politician Boris Nemtsov was shot dead.
Police have arrested five people during Britain's first anti-Islam Pegida rally in Newcastle's city centre.
Northumbria Police said 375 people were on the Pegida rally while 2,000 joined a rival demonstration called 'Newcastle Unites'.
There was a brief scuffle involving members of far-right groups which temporarily damaged Pegida's PA system, a steward said, but there was no outbreak of major trouble.
Police said the arrests were for isolated incidents and both events passed off smoothly.
It was unclear which sides the five arrested men were from, and their alleged offences ranged from assault, to being drunk and disorderly and breach of the peace.
Newcastle Chief Superintendent Laura Young said: "Both demonstrations passed without any problems and I'd like to thank people in Newcastle for their cooperation and support throughout.
"The vast majority of those that took part in today's events were peaceful and both groups stuck to their agreed times, routes and plans."