The World Tonight

Dr Sanjoy Kumar’s daughter Grace was one of three people killed in the 2023 Nottingham stabbings. He tells Shaun Ley that the authorities have different questions to answer after the murder of Henry Nowak in Southampton last year.Also in the programme: Canadian astronaut Chris Hadfield responds to news that crew on the International Space Station (ISS) were ordered to shelter in an attached spacecraft after the structure sprung a leak. And a new exhibition celebrates 50 years of the Undercroft Skate Space below London’s Southbank Centre.