Report about the investigation into a fire safety

Report about the investigation into a fire safety incident which occurred last week.The report will be read by Safety Officer,Evacuation Marshalls,Training and Maintenance Managers as well as Health and Environment Specialists.
the brief is:Toreport factually on the event,collect evidance and offer finding which describe the cause of the incident.
Describe the impact of the fire in terms of staff(health and safety)and material damage and environment issues.
Identify areas of concern and provide recommendations based on your expertise.