the qualifying triggers are contained in s55 coroners and justice act 2009
the two accepted triggers are the fear trigger and the anger trigger
fear trigger: s55(3) the defendant feared serious violence from the victim against himself or another identified person
the threat of violence on another is a sufficient qualifying trigger
subjective - from defendants point of view
anger trigger: there were things said or done (or both) which either constituted circumstances of an extremely grave character, or caused defendant to have a justifiable sense of being seriously wrong
both elements must be proved
objective test - from pov of reasonable man
r v hatter: the break-up of a relationship will not constitute circumstances
s55(6) loss of control is not available if defendant incited the victim to do the act that qualified as a trigger
dawes: unless defendant is seeking an opportunity to use violence, loss of control is still applicable
s55(6)(c) states ‘the fact that a thing done or said constituted sexualinfidelity is to be disregarded’
r v clinton: where there is no other qualifying trigger, sexual infidelity is excluded. along with other triggers, it could be considered