The following must be reported to the Health and Safety Executive (HSE) Cases of death or major injury, must be notify without delay - this is most easily done by reporting it online. Alternatively, it can be done by calling the Incident Contact Centre on 0345 300 9923 (opening hours Monday to Friday 8.30 am to 5 pm). Cases of over-seven day injuries must be notified within fifteen days of the incident, using the appropriate online form. Cases of disease should be reported as soon as a doctor notifies that a person is suffering from a reportable work-related disease, using the online form.
straight forward health and safty advice 
Online reporting Complete the appropriate online report form at http://www.hse.gov.uk/riddor/report.htm#onli ne The following reports are available: an injury a dangerous occurrence an injury offshore a dangerous occurrence offshore a case of disease flammable gas incident a dangerous gas fitting The form will be submitted directly to the RIDDOR database, and a copy will be returned to the sender for their records. There are a series of frequently asked questions available on the HSE website to help to complete the online format - http://www.hse.gov.uk/riddor/faqs.htm
Reporting out of normal hours The type of circumstances where HSE may need to respond out of hours are: following a work-related death; following a serious incident where there have been multiple casualties; following an incident which has caused major disruption such as evacuation of people, closure of roads, large numbers of people going to hospital, etc. If the incident fits these descriptions ring the duty officer on 0151 922 9235.
Accidents & emergencies