Argentine police and protesters clash in Buenos Aires

The Supreme Court has ordered a retrial for Toomaj Salehi who was sentenced to death after speaking out in support of protests that had exploded across Iran. Also: the new documentary about the designer of the wrap dress, Diane von Furstenberg, and the world's ugliest dog.

When Celia's daughter asked about regrets, she posted a message about a puffin sweater she wished she'd bought. Just days later, a man she'd never met sent her the exact same one for free - saying it felt so good to be kind. Also: The earthquakes being caused by enthusiastic fans during Taylor Swift's Eras Tour. A BBC radio programme reaches 46 people celebrating mid winter in Antarctica. How artificial intelligence could help us understand what dogs are trying to say. Why a sculptor decided to create dozens of art galleries and museums around the world - underwater. And the festival celebrating the enduring traditions of Flamenco dancing - and bringing it into the twenty first century.Our weekly collection of happy news and positive stories from around the world.

Court in Switzerland sentences four members of the billionaire family to jail for exploiting domestic staff. Also: the fierce battle for a small Ukrainian town, and John F. Kennedy's watch will go under the hammer.

Lobby groups say at least 200 people were injured and more than 100 arrested across Kenya. Protesters say the controversial finance bill that includes additional taxes would choke the economy and raise the cost of living. Also: parts of southern China have once in a century flooding, while the north is hit by extreme temperatures and drought, how wild chimpanzees seek out medicinal plants, and Stonehenge marks the summer solstice - the longest period of daylight in the northern hemisphere.

The US ambassador to China tells the BBC that despite a competitive relationship, the two countries are now talking more regularly to prevent escalation in the disputed South China Sea. Also on the podcast: India's government is accused of failing the education system after cancelling an exam taken by nearly a million people, a look back on the life of Canadian film star, Donald Sutherland, and the Spanish feline that looks to be saved from extinction.

Demonstrators, many of them young, were armed only with their smart phones. Police in Nairobi came on horseback and used water cannon. The Kenyan government plans to raise more than two-and-a-half billion dollars in new taxes. Also: a day after signing a defence agreement with North Korea, Russia's President Putin visits Vietnam, the new treatment that leaves heart attack victims more active than they were, and the British musician Rapman on his Netflix show about superheroes in London.

Many of the most brutal cases took place in Aleppo between 2011 and 2013. Also: hundreds of people are reported to have died during this year's Hajj pilgrimage in Saudi Arabia as temperatures in Mecca exceeded fifty degrees, and scientists shed light on why some people do not get Covid-19.

Accord signed on Vladimir Putin's first visit to Pyongyang in more than twenty years. Kim Jong-un said he unconditionally supported Russia's military action in Ukraine. Mr Putin said he appreciated North Korea's unwavering support. Also: Cyril Ramaphosa is sworn in for a second term as President of South Africa, Nvidia becomes the world's most valuable company, and the flower that stinks of rotting meat.

Under the existing rules, foreigners who arrive illegally into the United States and marry US citizens must wait abroad for their applications to be processed. Also: Putin arrives in North Korea ahead of talks with Kim Jong Un, and McDonald's withdraws its malfunctioning AI ordering software.

North Korea is preparing to welcome Vladimir Putin on his first visit there in more than twenty years. Also: Police in Kenya have fired tear gas and used water cannon to try to disperse protestors opposed to a new finance bill. The Senate in Thailand has passed a law allowing same sex marriage - the first country in Southeast Asia to do so. And why has a parkour runner at a UNESCO protected site in Italy sparked fury?