Post-mortem report of Prateek Yadav, who died due to cardiorespiratory collapse, recorded six ante-mortem (before death) injuries on his body. These were primarily contusions and bruises on chest, right arm, forearm, elbow, and left wrist, Indian Express reported. Officials haven't yet linked the injuries directly to cause of death, it added. Yadav was younger son of SP Founder Mulayam Yadav.