The 28-year-old man who was arrested on suspicion of the murder of Demi Burns, has been bailed until January.
Police say they are still making enquiries.
More top news
Trail hunting, where a scent is laid for hounds and the hunt to follow, has been widely practised since the 2005 ban on fox hunting.
Dangerous chemicals stored in a laboratory at the nuclear reprocessing plant have now been detonated by an army bomb disposal team.
Explosives experts were called to the nuclear reprocessing site in Cumbria, to help deal with chemical substances.