Jeremy Clarkson is left shaken as Kaleb Cooper is treated by medics after a nasty accident in Clarkson's Farm

Jeremy Clarkson is left visibly shaken as dramatic scenes in the third series of Clarkson's Farm see Kaleb Cooper treated by medics after a nasty accident. The Top Gear star is seen fearing for his right-hand man after he hits his head in a new trailer for the upcoming series. In the trailer, Kaleb suffers a fall while working on a JCB, but forgetting he was still strapped into a safety harness, he spins round and bangs his head. Jeremy …