The alleged incident happened in a classroom at the Milford Comprehensive School (Picture: The Pembrokeshire Herald/Wales News Service) A teenager accused of attempting to murder his teacher with a kitchen knife at a Welsh school has appeared in court. The boy, who was 15 at the time, allegedly stabbed his teacher, Vicky Williams, in the head at Milford Haven Comprehensive School. Prosecutors described the alleged incident on February 5 as a ‘murderous attack’ during the hearing at Swansea Crown Court yesterday. The boy, who is now 16 and cannot be named for legal reasons, allegedly brought the blade into school hidden in his bag. Christopher Rees KC told the court: ‘The prosecution say the defendant planned and launched a murderous attack. Sign up for all of the latest stories Start your