Former Savage Garden singer Darren Hayes has been arrested in London for an alleged racist attack on a waiter at a Thai restaurant last month.

Hayes was taken in for questioning by Police on Friday night for racially abusing staff at the Busaba Eathai on Wardour Street on July 22.

Hayes was later released on bail but has refused to comment on the situation.

A Scotland Yard spokesman confirmed: "We can confirm that a 35-year-old man was arrested by Westminster police on suspicion of racially abusing a member of staff.

"He was arrested after voluntarily attending a Central London police station by appointment. He has been released on bail pending further enquiries, until the 21st of September."

Staff at the restaurant were questioned by Police the day after the incident and the victim has since returned to work according to the Sydney Morning Herald.