Two foreigners claiming to be from America and Ireland were caught outside The Hussin House Hotel on Phi Phi Island engaging in drunken oral sex.
The video has invoked wrath among Thai netizens and is generating a huge amount of comment online, suggesting the pair of backpackers were drunk, high on drugs or possibly both.
Bystanders shouted at them to stop before a Jamaican tourist intervened.
The Irishman attempts a wai by way of apology as his American friend appears barely able to stand.
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