Acts against which there is no right private defence

There is no right of private defence against an act which does not reasonably cause the apprehension of death or of grievous hurt, if done, or attempted to be done by a public servant acting in good faith under colour of his office, though that act may not be strictly justifiable by law. There is no right of private defence against an act which does not reasonably cause the apprehension of death or of grievous hurt, if done, or attempted to be done, by the direction of a public servant acting in good faith under colour of his office, though that act may not be strictly justifiable by law. There is no right of private defence in cases in which there is time to have recourse to the protection of the public authorities.