Today in Focus

Tess McClure reports on the US bombing of the Shajareh Tayyebeh school in Iran, and the families who lost loved ones in the attack. Help support our independent journalism at theguardian.com/infocus

Donald Trump’s primetime address on Wednesday evening provided little clarity on the US’s strategy in its war against Iran. Trump said that, while military action has made Iran ‘no longer a threat’, the US will continue to hit the country ‘extremely hard’ for several weeks and ‘bring them back to the stone ages, where they belong.’ Lucy Hough speaks to the Guardian’s global affairs correspondent, Andrew Roth – watch on YouTube. Help support our independent journalism at theguardian.com/infocus

Anonymous activist Martha Root on how she hacked into, and took down, a dating site for white supremacists. With reporting from investigative journalist Eva Hoffman. Help support our independent journalism at theguardian.com/infocus

Donald Trump has said he is considering pulling the US out of Nato, likening the alliance to a ‘paper tiger’. It comes after weeks of denouncements from the US president against allies for not helping to reopen the strait of Hormuz. When asked about Trump’s comments, Keir Starmer said: ‘Nato is the single most effective military alliance the world has ever seen’ and ‘whatever the noise, I’m going to act in the British national interest in all the decisions that I make’. Lucy Hough speaks to the Guardian’s Europe correspondent, Jon Henley – watch on YouTube. Help support our independent journalism at theguardian.com/infocus

Why has the UK introduced a ban on student visas for four countries? Today in Focus talks to affected students in Sudan and Afghanistan, as well as our home affairs editor, Rajeev Syal. Help support our independent journalism at theguardian.com/infocus