A 15-year-old has been sentenced to eight years and six months in secure detention for murder after fatally shooting a fellow pupil in the head at a school in southern Germany. The Würzburg Regional Court ruled on Monday that the teenager had murdered the 14-year-old in the Bavarian town of Lohr am Main in September 2023, a court spokeswoman announced. The maximum juvenile sentence for murder is 10 years. The court rejected a defence plea of manslaughter because the fatal shot to the head had come from behind. The 15-year-old German killed a 14-year-old Italian boy with a single shot from a pi…