A risk assessment expert has told the Noah Donohoe inquest he is "quite certain" that there was a "public safety issue" at the entrance to a culvert which the schoolboy entered. A risk assessment expert has told the Noah Donohoe inquest he is "quite certain" that there was a "public safety issue" at the entrance to a culvert which the schoolboy entered. Dr Mark Cooper told Belfast Coroner's Court that he would have been "ale... [3026 chars]