Rhys Dobson with his father Colin Richards is accused of killing him by hitting him whilst at the wheel of his black Citroen C3 car. Alexander Greenwood, prosecuting, said: “The defendant was driving too fast for the conditions and failed to pay proper attention to the road, failed to brake and failed to avoid the collision. “He caused the death of Rhys Dobson." Mr Greenwood added: “"The prosecution's case is he didn't brake or stop after the collision. “After hitting Mr Dobson, he killed him and left the scene." The court was told the teenager was declared dead at the scene by the emergency services after having suffered catastrophic head injuries.