Nine Australians have been arrested in Malayasia for stripping down to their underwear at a Formula One racing circuit.
The group spontaneously stripped to reveal Malaysia's national flag on their behinds, while chanting "Aussie, Aussie, Ausssie, oi, oi, oi" in the middle of a large crowd.
They then took photos with onloookers.
They were apparently celebrating the win of fellow Australian Daniel Ricciardo.
The men have been condemned in the majority Muslim country and are being investigated for indecent behaviour in a public place.
Sepang Police chief ACP Abdul Aziz Ali told local media the men, between 25 and 29, will be in custody for the next four days.