in the course of being arrested or detained by any person in the exercise, or purported exercise, of any power of arrest or detention under any written law; or
(b)
while he is in official custody,
it shall be the duty of —
(i)
the person exercising the power of arrest or detention;
(ii)
the person in charge of the place of custody where the deceased died; or
(iii)
if the deceased was outside the place of custody when he died, the person in whose official custody the deceased was at the time of his death,
as the case may be, to prepare and submit to a police officer a report of the death within 24 hours upon the person becoming aware of that death.
(2) A report under subsection (1) shall not be required where the death is the result of the lawful execution of a death sentence.
(3) Any person who, without reasonable excuse, the burden of proving which shall be on the accused in a prosecution, contravenes subsection (1) shall be guilty of an offence and shall be liable on conviction to a fine not exceeding $10,000 or to imprisonment for a term not exceeding 6 months or to both.