SHILLONG: A case of unnatural death has been registered into the death of Baiamonlang Rymbai, whose body was found in Mawblei on Thursday last. SP (City) Vivek Syiem said that police are waiting for the post mortem report. Meanwhile, the relatives have clarified that the body recovered from Mawblei was of Baiamonlang and not of Merilin Rymbai.