Indonesians grappled with their first-ever celebrity sex-tape scandal, casting aside social taboos as they swarmed around office computers and mobile phones to watch clips allegedly showing a much-loved pop star with two girlfriends.

The first six-minute video clip appears to show pop singer Nazril Irham, better known as Ariel, in bed with his girlfriend Luna Maya, a top model, actress and, up until the scandal, the face of Lux beauty soap.

The two deny it was them, saying the footage has been doctored, but were called in for questioning by police.

Initially officers threatened to charge them under a tough anti-pornography law, even though there was no indication the intimate but explicit sex scenes were ever intended for public viewing.

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