Ministers warned against scapegoating prison staff over mistaken release of Hadush Kebatu

Justice secretary blames human error but other say there are systemic problems and targeting an individual is unjust'

Ministers have been warned against scapegoating prison staff as they struggle to contain the political fallout of the mistaken release of an asylum seeker who sexually assaulted a teenage girl.

As David Lammy, the justice secretary, announced an inquiry and blamed human error" for the accidental freeing of Hadush Kebatu from HMP Chelmsford on Friday, the Prison Officers' Association (POA) has questioned why a single member of staff has been unjustly" suspended.