&quot; (i) the action in selfdefence is taken in response to an imminent or actual unlawful attack on the life of the person or of another person; (ii) there is no other way of preventing or stopping the offence [necessity]; (iii) the unlawful conduct of the other has not been caused by the person acting in selfdefence; (iv) the conduct in selfdefence is proportionate to the offence to which the person reacts. &quot;
&quot; (i) the action in selfdefence is taken in response to an imminent or actual unlawful attack on the life of the person or of another person; (ii) there is no other way of preventing or stopping the offence [necessity]; (iii) the unlawful conduct of the other has not been caused by the person acting in selfdefence; (iv) the conduct in selfdefence is proportionate to the offence to which the person reacts. &quot;