Edmund Echukwu died in pool at swingers ' party in Hertfordshire on Friday . 35-year-old believed to be a Nigerian father-of-three from north London . A man has been arrested after he was found with an axe and knife outside the home of a woman who had just given birth. A post-mortem examination is due to be held today ahead of an inquest .
Edmund Echukwu died in pool at swingers ' party in Hertfordshire on Friday . 35-year-old believed to be a Nigerian father-of-three from north London . Owner of mansion says he may have suffered heart attack in water . A post-mortem examination is due to be held today ahead of an inquest .