Follow the medical certification or investigation process for the nation where the death occurred. England and Wales use medical examiners; Scotland has its own review and procurator fiscal process; Northern Ireland has its own coroner process.
United Kingdom
Some steps differ by region inside the country.
Where
United Kingdom
How
Follow the medical certification or investigation process for the nation where the death occurred. England and Wales use medical examiners; Scotland has its own review and procurator fiscal process; Northern Ireland has its own coroner process.
Sources
This is practical information, not legal, medical, or financial advice.