Police have arrested two more men in connection with the murder of Warwickshire farmer Mick Boffey.
Mr Boffey, of Grange Farm, Withybrook, died after he was in collision with his own Land Rover as he attempted to stop it being stolen.
Ashley Squires, 22, of Styon Road, Leicester was due to appear at Warwick Crown Court on Monday (Sept 19) charged with the murder of Mr Boffey.
Police have now arrested two men, aged 17 and 44, in York, on suspicion of attempting to pervert the course of justice. They have been bailed to return to York Police Station on October 20.