Also, as UK policemen are trained to 'shoot to stop' by aiming at the trunk of the body - this can result in innocent people being killed.

BBC: Less than lethal: Shooting to live

So instead Mr Saffold proposed aiming at a funding ratio of 80% within 50 years, with employees' contributions being raised by 1% a year for three years from 2015.

ECONOMIST: When pension promises become unaffordable