Review could show that thousands more Jews and prisoners of war died on Channel Island Alderney than previously thought

The full horrors of the only Nazi concentration camps to exist on British soil will finally be investigated in an official government inquiry, the Observer can reveal.

Eighty years on from one of the darkest episodes in British history, the government is to carry out a review into the numbers of prisoners murdered by the Nazis on Alderney, the tiny Channel Island and British crown dependency.