A golden age of cancer treatment?

Europe is dealing with a debilitating heatwave, with schools closed, trains cancelled and France holding an emergency meeting after heat-related deaths. António Guterres, the UN secretary general, is urging the world to act on fossil fuels as the continent braces for record-breaking heat. Lucy Hough speaks to Europe environment correspondent Ajit Niranjan – watch on YouTube. Help support our independent journalism at theguardian.com/infocus

The UK has lost its sixth prime minister in a decade. How did Keir Starmer go from landslide victory to resigning in two years?. Help support our independent journalism at theguardian.com/infocus

Keir Starmer has announced he is standing down as prime minister after days of intense pressure from Labour MPs, including cabinet ministers, following Andy Burnham’s byelection victory in Makerfield. Wes Streeting has ruled himself out of the running, so will it be a coronation for the ‘king of the north’ or could another candidate emerge? Lucy Hough speaks to senior political correspondent Peter Walker – watch on YouTube. Help support our independent journalism at theguardian.com/infocus

Guardian news editor David Batty spent years longing to meet his birth mother. But his reunion with the woman who had been forced to give him up was far from a fairytale ending. He explains why the legacy of forced adoption continues to cast such a long shadow. Help support our independent journalism at theguardian.com/infocus

Glamorous, rich and well-connected, Julie Meyer was a darling of the dotcom boom. But people who worked with the entrepreneur complain about unpaid wages, debts to suppliers and missing money. Journalist Olivia Lee and the Guardian’s investigation team unravel her story. Help support our independent journalism at theguardian.com/infocus