Murder charged-verdict of manslaughter

(1) Upon an indictment charging an accused person with murder, if the prosecution fails to prove that the accused person intentionally caused the death of the deceased, but the jury is satisfied that the accused person caused the death of the deceased by unlawful harm, it shall find the accused person not guilty of murder but guilty of manslaughter. (2) Subject to section 127(2), it shall not be lawful for the jury in such circumstances to find the accused person guilty of any crime other than manslaughter on that indictment.