At least in the US, there is limited ability to sue foreign sovereigns in our courts - not sure if that's the case in the UK too. Beyond that, I doubt this is

At least in the US, there is limited ability to sue foreign sovereigns in our courts - not sure if that's the case in the UK too. Beyond that, I doubt this is a rabbit hole any government, much less the UK - which has a fairly imperialistic past - wants to go down. Glass houses and all.