text:  This is Rebecca Kesby with NewsHour Live from the BBC. Now, police in the Kenyan capital, Nairobi, say they've caught a serial killer accused of murdering at least 42 people. Collins Jumeisi Kalusha was arrested near a bar in the city where he'd been watching the Euro 2024 football final on Sunday. Police say he's confessed to the killings. Speaking to the press, the head of the criminal investigation, Mohamed Amin,