Diweddariad: Mae wythfed person wedi’i gyhuddo mewn cysylltiad â llofruddiaeth Joanne Penney yn Nhonysguboriau. https://www.south-wales.police.uk/cy-GB/news/south-wales/newyddion/2025/mehefin/eighth-person-charged-in-connection-with-murder-of-joanne-penney/