Crash investigators have been combing through the wreckage of a private jet that is thought to have been carrying the leader of the Russian mercenary Wagner group, Yevgeny Prigozhin. The BBC’s Analysis Editor, Ros Atkins, looks at what might have caused the plane to fall.

Russian President Vladimir Putin has offered his “sincere condolences” to the family of those killed in a plane crash on Wednesday. It’s reported that on board was Yevgeny Prigozhin, the leader of the Wagner mercenary group. Authorities say all 10 people on the plane were killed when it crashed near Moscow.

Getty Images The US Department of Justice has said it is suing Elon Musk’s SpaceX, alleging the rocket firm discriminates against refugees and asylum seekers in its hiring practices. The DoJ says SpaceX falsely claimed that it was not allowed to hire non-US citizens. The investigation into SpaceX by the DoJ was prompted after allegations…

Reuters By Joshua Cheetham BBC Verify Wagner boss Yevgeny Prigozhin is presumed dead in a private jet crash near Moscow. His movements have been largely unknown since his failed mutiny in June, when his fighters seized a Russian city and reportedly shot down several aircraft. He initially appeared to escape punishment by agreeing to move…

Getty Images By Samantha Granville BBC News, Johannesburg The announced expansion of the five-nation Brics club of emerging economies was described as “historic” by Chinese President Xi Jinping, but it is still not clear how far the countries’ common interests stretch. The growth of Brics “will… further strengthen the force for world peace and development”…

It’s the weekly news quiz – how closely have you been paying attention to what’s been going on in the world over the past seven days? Some mobile users may be experiencing difficulties. If you cannot see the quiz, try this link. Try last week’s quiz via this link. Compiled by Ben Fell What information…

Getty Images By Jonathan Amos Science correspondent @BBCAmos A catastrophic die-off of emperor penguin chicks has been observed in the Antarctic, with up to 10,000 young birds estimated to have been killed. The sea-ice on which the chicks were being raised broke up before they had fully developed the waterproof feathers needed to swim in…

Russian mercenary leader Yvegeny Prigozhin is presumed dead. He was on the passenger list of a jet which crashed in Russia, killing all 10 people on board, according to Russia’s civil aviation authority. Watch notable moments from the Wagner group leader’s role in the war in Ukraine.