(1) A person ("A") commits an offence if -
(a) A intentionally strangles another person ("B"), or
(b) A does any other act to B that -
(i) affects B's ability to breathe, and
(ii) constitutes battery of B.
(2) It is a defence to an offence under this section for A to show that B consented to the strangulation or other act.
(3) But subsection (2) does not apply if -
(a) B suffers serious harm as a result of the strangulation or other act, and
(b) A either -
(i) intended to cause B serious harm, or
(ii) was reckless as to whether B would suffer serious harm.
(4) A is to be taken to have shown the fact mentioned in subsection (2) if -
(a) sufficient evidence of the fact is adduced to raise an issue with respect to it, and
(b) the contrary is not proved beyond reasonable doubt.
(5) A person guilty of an offence under this section is liable -
(a) on summary conviction -
(i) to imprisonment for a term not exceeding the general limit in a magistrates’ court (or 6 months, if the offence was
…