Argentine police and protesters clash in Buenos Aires

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?

The governor Wes Moore said his executive order marked "the most sweeping state-level pardon in American history". Also: the Kremlin has confirmed that the Russian president Vladimir Putin will travel to North Korea on Tuesday, and the British actor Ian McKellen falls off stage during a performance in London.

Israel's PM dissolves his six-member war cabinet with no plans for a replacement. The BBC hears from witnesses who say the Greek coastguard threw migrants to their deaths. Also: Denmark says it's looking at additional ways of stopping Russian oil exports passing through the Baltic Sea, and news avoidance at record levels.

The Ukrainian president, Volodymyr Zelensky, was speaking at the close of a summit for peace in Switzerland. Also: Israel’s prime minister, Benjamin Netanyahu, has described the introduction of daily "tactical pauses" in military activity in a part of southern Gaza as “unacceptable”, and the original multi-coloured dancefloor used in the 1977 film, Saturday Night Fever, has been sold at auction.

The two-day gathering follows President Putin outlining Russia’s ceasefire terms, which have been widely dismissed. Russia has not been invited to the peace summit and China, a key strategic partner, is not attending. Also: Israel has launched an investigation into the deaths of eight IDF soldiers in Rafah, and Sweden welcomes home two citizens who had been arrested in Iran after a prisoner swap.

This week's edition comes from Finland, the country repeatedly crowned the happiest in the world, and the Helsinki Happiness Hacks event introduced people - selected from thousands of applicants across the globe - to Finns willing to share the secrets of their contentment. These include skateboarding, dancing with friends, messy art, walking barefoot, ice cream for breakfast, and of course, a sauna. And we explore how happiness is measured and why a dose of pessimism doesn’t preclude happiness.

Bump stocks were banned after they were used in America's deadliest mass shooting in 2017. Western leaders dismiss Russian President Putin's call for an immediate ceasefire in Ukraine, as they meet at the G7 summit in southern Italy. Also: A Chinese court sentences a journalist who reported on #MeToo to jail for "subversion", and why grey whales are shrinking.