Mobile phone thief jailed for killing Kacey Clarke in ‘a fit of anger’ after they took laughing gas together

A teenage mobile phone thief who stabbed a young woman to death ‘in a fit of anger’ after inhaling laughing gas with her on Christmas Eve has been jailed for six and a half years. Kacey Clarke, 22, was knifed at her home in Bermondsey, southeast London, on December 24 last year. Police officers attended along with paramedics who provided emergency first aid but Ms Clarke died at the scene. The killer, who is now 17 but cannot be named…