The Northern Lights have been seen across parts of the UK.
- Welcome to your social buzz. Here you'll find details of stories making an impact across social media
- This is an editorial trial
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Iranian social media users have said the death sentence handed to billionaire businessman Babak Zanjani aims to prevent him from revealing information about corruption and theft by top officials.
Zanjani, Iran's richest man, was sentenced to death after being found guilty of corruption, having allegedly embezzled well over $2bn dollars from the proceeds of oil he sold by circumventing international sanctions.
He boasted that everything he did was at the behest of the-then President Mahmoud Ahmadinejad, but was accused of enriching himself at the state's expense.
Soon after reformist President Hassan Rouhani came to power and demanded a crackdown on corruption, Zanjani was arrested. He maintains he is innocent and will appeal the verdict.
- Copyright: AFP/Getty
One of the most discussed issues in Ukrainian social media is the military pilot and MP Nadiya Savchenko, who is on hunger strike in her Russian prison.
Ukrainians are calling for more efforts by politicians for her release, discussing the possible impact of her death on the current political situation and the conflict in Donbass, and urging support from the global community.
She is also trending on Twitter in Russia, as are hashtags dedicated to the "attack" on the Russian embassy in Kiev and a counter protest against the Ukrainian embassy in Moscow.
Harry Potter author JK Rowling made a surprise visit to a book club at Orkney Library, on the Scottish island of Orkney, UK.
The library invited the author to attend a book club on Saturday to discuss her latest novel The Cuckoo's Calling.
Her visit sparked a Twitter war between Orkney and Shetland libraries. Hope they turn a new page and are friends again!
- Copyright: PA
Morrissey, the singer, is considering standing for Mayor of London, according to reports.
In a statement on his fan site, he revealed he had been asked to stand by the Animal Welfare Party.
On 5 May 2016, Londoners will vote for a new mayor to replace Boris Johnson.
One image sent thousands of Tumblr users into an "earitable" frenzy over the weekend.
The Tumblr post titled, "Why is this happening", shows an innocent passenger with an oddly-positioned inflight headset. It was shared by an anxious Tumblr user, who appeared to have been a passenger on board the flight from Queensland, Australia. "It was as if he didn't even care or notice that his ear was folded over, which is insane...It was the worst flight ever," the Tumblr poster said.
Thousands more began to reblog expressing similar dismay. It could be the beginning of something.
This image was being widely shared among nostalgic Pokemon fans on Tumblr over the weekend, in light of the popular Japanese franchise's 20th anniversary. "This was my imagination playing pokemon," said Facebook user James Morales. "How I felt back then is how I still feel now - all grown up. It's a pity that Nintendo doesn't care to make their games like this anymore," said another user who reblogged the post.
Here's an example of an astute social media campaign, which has now gone viral in Australia. Seeing Eye Dogs Australia, who are looking for carers, has released a new video explaining how you can essentially have free puppies - by grooming them into guide dogs. Judging from the reaction, it has clearly struck a chord.
Supporters of embattled leader Najib Razak and his detractors are engaged once again in online combat.
The hashtag #RespectMyPM appears to have started with politician Azalina Othman Said, who tweeted: "I am from Johor, and I #respectmyPM”. But her actions to drum up support for Mr Najib have backfired."We don't need anything from you. We won't be bought and sold just like you," said one angry Twitter user. Another referred to the nation's ongoing 1MDB scandal: "How do you give respect freely to someone who wants to pay for it?" From the top of Malaysia's Twitter charts,it has spread to Facebook too. Critical posts on Mr Razak's official page have also been using the hashtag.