By Charlotte Tutton Coronation Street favourite Roy Cropper is accused of killing missing Lauren Bolton on the ITV soap next week. The soap legend finds himself being arrested, spoilers reveal, as the police claim Lauren has been murdered. After blood is found at her flat, Roy’s apparently suspicious behaviour leads to him being arrested for her murder in upcoming episodes. It could spell an exit for the icon decades after his Weatherfield debut, as he faces prison if Lauren has in fact been killed. The teenager has been missing for weeks after vanishing from her flat, with no one knowing wher…