Ukraine’s counter-offensive explained

The push to retake Ukrainian territory held by Russia has started modestly, but there is a bigger strategy behind it. Michael Clarke explains how this is actually about stretching Russian forces, and Colin Freeman updates us from close to the front line. Eleven British universities have been criticised for working with Iranian partners on technologies that could have military uses. Former tank-commander turned scientist Hamish de Bretton-Gordon tells us why he’s worried. And we hear why British troops have been parking huge soviet-era air-defence vehicles in people’s gardens in Sweden.