A postmortem on the body of British tourist Amelia Bambridge found no evidence of foul play, with the National Police saying she died from drowning.

The body of 21-year-old Bambridge was found in the sea some 50km from Koh Rong on Thursday, a week following her disappearance upon leaving a beach party on the popular holiday island.

National Police spokesman Chhay Kim Khoeun told The Post on Sunday that Bambridge likely went for a swim after getting drunk at the party, leaving her bag on the beach.

“She was probably drunk and unaware that the spot she was swimming in was deep. Based on our experts’ analysis there is no trace of rape or any tussle,” he said.

Bambridge, from Worthing, a seaside town south of London, was last seen leaving the party on Police Beach at around 3am on October 24 to return to her hostel, the Nest Beach Club, around 1.8km away. She failed to arrive and was reported missing.

Her decomposed body was seen floating near the Thai maritime border a week later and brought to the Preah Sihanouk provincial hospital for an autopsy, before being handed over to her family.

Koh Rong town governor Nuon Bunthol declined to provide details of the examination on Sunday, saying only that Bambridge’s bag was found around 30m from Police Beach.

Provincial police chief Chuon Narin could not be reached for comment on Sunday.

British tabloid the Mirror reported on Saturday that Bambridge’s family was shocked after photos of her body went viral on social media hours after the discovery.

Her brother Harry Bambridge has called for an end to the circulation of her photos.