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Welsh teen convicted of wounding teacher after knife attack

Published 21 July 2026

A 16-year-old student has been found not guilty of attempted murder but convicted of wounding with intent after stabbing his history teacher in an empty classroom at a secondary school in Wales. The attack occurred on February 5 at Milford Haven Comprehensive School in Pembrokeshire. The teenager, who was 15 at the time and cannot be named for legal reasons, was convicted by a jury at Swansea Crown Court on Monday, July 20, following a trial. He had previously pleaded guilty to possessing a kitchen knife on school grounds.

According to prosecutors, the student approached teacher Vicki Williams in the afternoon, asking for help with his history work. Once inside the classroom, he closed the door, claiming it was cold. Williams testified that this action immediately raised her suspicions. The boy then pulled a large kitchen knife from his bag and lunged at her, striking her in the head. A violent struggle ensued, during which Williams suffered injuries to her scalp, back, and hands. She told the court she believed she was going to die, describing the student's expression as one of pure hatred. A fellow staff member intervened after hearing her screams for help.

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