The Chernobyl disaster is often reduced to operator error. The later IAEA reassessment showed a deeper system failure involving reactor design, regulation, communication, safety culture and the transfer of critical design knowledge.

The 1985 Bradford City stadium fire killed 56 spectators after fire spread rapidly through an ageing timber stand. The case remains a sharp lesson in combustible concealed spaces, housekeeping, exit capacity and emergency planning.

A WA shed-roof death led to a director’s prison sentence and $605,000 in company fines. The case shows why roof work needs verified controls before it starts.