According to legal experts the ruling by Britain's highest court means that employers' insurers will have to pay compensation claims. Relatives of the victims want to make claims on policies from the late 1940s to the late 1990s. The legal fight began more than five years ago.
More top news
Clarke Carlisle "thinks about and prays for" the lorry driver he jumped in front of last year when he attempted to take his own life
The number of veterans seeking help for post traumatic stress disorder (PTSD) has risen by more than a quarter over the last year.
Plaid Cymru will today launch its election manifesto in Bangor ahead of the general election.