(1) An accident arising in the course of an insured person's employment is deemed for the purposes of this Part, in the absence of evidence to the contrary, also to have arisen out of that employment.
(2) An accident shall be treated for the purposes of this Part, where it would not apart from this section be so treated, as arising out of an insured person's employment where -
(a) the accident arises in the course of the employment,
(b) the accident -
(i) either is caused by another person's misconduct, negligence or misbehaviour, or by steps taken in consequence of any such misconduct, negligence or misbehaviour or by the behaviour or presence of an animal (including a bird, fish or insect), or
(ii) is caused by or consists in the insured person's being struck by any object or by lightning,
and
(c) the insured person did not directly or indirectly cause or contribute to the happening of the accident by his or her conduct outside the employment or by any act not incidental to the empl
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