Bhubaneswar: The post-mortem report of Government Railway Police (GRP) constable Soumya Ranjan Swain, who died following a mob assault in Balianta on the outskirts of Bhubaneswar, has revealed that severe head injuries were the primary cause of his death.

According to the report, Swain sustained deep injuries at 21 places on his body. The post-mortem found severe trauma to the front, back and middle portions of his head, which led to blood clotting and swelling in the brain. Blood clots were also detected in his lungs.

Samples have been collected and sent for forensic examination to determine whether Swain had consumed any intoxicating substance before the incident.

The case pertains to the death of Swain following a mob attack on May 7. As per allegations, Swain and his associate, Om Prakash Rout, were travelling on a motorcycle when they collided with a scooter carrying two women.

It was further alleged that Swain assaulted the women and attempted to rape one of them, triggering outrage among locals and passersby.

An angry crowd allegedly attacked Swain at the spot, leaving him critically injured. He later succumbed to his injuries. Videos of the assault had gone viral on social media.

Police have registered two separate cases in connection with the incident. One case relates to the alleged murder of Swain, while the other concerns the alleged attempt to rape a woman.

So far, police have arrested 18 persons for their alleged involvement in the mob assault that led to Swain's death. The investigation into both cases is ongoing.