Police have charged two adults and a 13-year-old boy over the death of 5-year-old Logan Mwangi, who was found dead in a river in South Wales last week. John Cole, 39, of Sarn, Bridgend, has been charged with murder, South Wales Police said. Cole, 30-year-old Angharad Williamson, also from Sarn, and a 13-year-old boy, who cannot be named due to his age, have been jointly charged with perverting the course of justice. Police said all three have been remanded in custody and will appear before Cardiff Magistrates’ Court on Thursday. Logan’s body was found in the Ogmore River near Pandy Park in Bridgend on Saturday after police were called to a report of a missing child. He was taken to the Princess of Wales Hospital, where it was confirmed he had died. Senior investigating officer Detective Chief Inspector Mark O’Shea said: “This is a very harrowing case for all involved …