Today in Focus

An attack on the home of OpenAI’s CEO Sam Altman – and on the company’s headquarters – has led to concerns the backlash against AI could become violent. Guardian journalist Nick Robins-Early and researcher Sean Fleming discuss. Help support our independent journalism at theguardian.com/infocus

With the EU approving a €90bn loan for Ukraine, a surprise visit from Prince Harry, and data suggesting Russian troops made almost no territorial gains in March – are there reasons for optimism in Kyiv? Lucy Hough speaks to senior international correspondent Luke Harding – watch on YouTube. Help support our independent journalism at theguardian.com/infocus

A new blockbuster film about the controversial singer could make $1bn worldwide. Owen Myers and Lanre Bakare explain what it says about Jackson’s legacy. Help support our independent journalism at theguardian.com/infocus

Donald Trump has indefinitely extended the US ceasefire with Iran after talks looked increasingly uncertain between both sides. Trump said he would ‘extend the ceasefire until such time as [Iran’s] proposal is submitted, and discussions are concluded, one way or the other’. The US blockade remains, as does the closure of the strait of Hormuz by Iran, which seized two ships on Wednesday. Lucy Hough speaks to the Guardian’s diplomatic editor, Patrick Wintour – watch on YouTube. Read Patrick’s analysis here.. Help support our independent journalism at theguardian.com/infocus

Fiona Harvey tells Nosheen Iqbal why the climate crisis is a threat to national security. Help support our independent journalism at theguardian.com/infocus