The Pussy Riot activist turned Kremlin informer

Features writer Elle Hunt and indigenous activist María José Andrade Cerda on the growing phenomenon of influencers around the world trying to reach uncontacted tribes. Help support our independent journalism at theguardian.com/infocus

Who is really in charge – the people or the markets? In the first episode of Radical Thinking, a new series from the Guardian, senior economics commentator Aditya Chakrabortty speaks to the former Greek finance minister Yanis Varoufakis about what it was like during the eurozone crisis when he went head to head with those who wanted to stop his reforms. Help support our independent journalism at theguardian.com/infocus

Warning: this episode contains spoilers! The BBC blockbuster Celebrity Traitors has returned for a second series, attracting nearly 9m viewers for its first episode. The show features a star-studded cast including actors Richard E Grant and Michael Sheen, and former model Jerry Hall and comedian Romesh Ranganathan. With 3m more viewers than the last series tuning in for the first episode, why is Celebrity Traitors one of the few shows capable of attracting the nation to the sofa? Lucy Hough speaks to TV critic and broadcaster Scott Bryan – watch on YouTube. Help support our independent journalism at theguardian.com/infocus

Latin America correspondent Tom Phillips reports on this Sunday’s historic presidential elections in Brazil, as the son of jailed former president Jair Bolsonaro hopes to take power. Help support our independent journalism at theguardian.com/infocus

A woman convicted of murdering a schoolmate 30 years ago has been taken to hospital after surviving two rounds of lethal injections in Tennessee. Christa Pike would have been the first woman to be executed in the state in 200 years. Pike, 50, has spent three decades on death row after she was convicted of the murder of 19-year-old Colleen Slemmer in 1995. A last-minute appeal to stop the lethal injection was overturned by the supreme court, but the state governor, Bill Lee, has suspended executions in Tennessee for the rest of the year. Lucy Hough speaks to the attorney and anti-capital punishment campaigner Clive Stafford Smith – watch on YouTube. Help support our independent journalism at theguardian.com/infocus

Jonathan Liew explains the accusations against Manchester City – and Simon Hattenstone explains how it feels to be a fan. Help support our independent journalism at theguardian.com/infocus

A commercial flight travelling from Dubai to Israel was forced to make an emergency landing after an apparent brawl between its pilots. The flight was in Jordanian airspace when it diverted to Saudi Arabia, after the plane fell 16,000ft in two minutes during the incident, which raised fears of an attempted hijacking. Authorities are investigating a number of lines of inquiry including a hijacking attempt or a mental health incident. Lucy Hough speaks to the Middle East correspondent Will Christou – watch on YouTube. Help support our independent journalism at theguardian.com/infocus

Helen Pidd reports from the Labour conference in Liverpool as Andy Burnham lays out his grand plans as prime minister. With deputy political editor Jessica Elgot. Help support our independent journalism at theguardian.com/infocus

As the fallout from the Iran conflict continues, the price of diesel has soared to record highs in the UK, Europe and US. With his country facing an increase of 70% in costs compared with this time last year, Donald Trump is threatening a ban on US diesel exports to keep costs low for American consumers. But the plans have been met with alarm – the UK is holding talks with US counterparts to try to block the move, which France says would be ‘catastrophic’ if introduced. Lucy Hough speaks to energy correspondent Jillian Ambrose – watch on YouTube. Help support our independent journalism at theguardian.com/infocus

Their opposition to Putin led to two of the group being sent to brutal prison camps. Then another was found to be spying for the Kremlin. Shaun Walker reports. Help support our independent journalism at theguardian.com/infocus