The court and the Security Council are at loggerheads over who could trigger an investigation: the council, supposedly the body with prime responsibility for international peace and security and where America, Russia and China all have vetoes, or the prosecutor and judges of the ICC.

ECONOMIST: The worst crimes, the law and the UN Security Council

And it calls on all G20 countries - including the US, China and Russia - to sign up to sign up fully to the ICC.

BBC: Amnesty's report condemns 'politicisation of justice'