Two crew members of the Australian airline Virgin Australia were allegedly raped and robbed in the Fijian city of Nadi during a night out in the early hours of News Year’s Day.

Fiji Deputy Prime Minister Viliame Gavoka announced that foreign airline crew members were sexually assaulted and robbed on New Year's Day.

The Fiji government on Thursday said police were investigating incidents involving two crew members of Australian airline Virgin Australia who were allegedly victims of rape and theft in Nadi in the early hours of New Year's Day.

The alleged attacks took place in the nightclub area of the city of Nadi, home to the international airport, officials said.

Three Virgin Australia IPO-VIR.AX staff are not being detained by Fijian police investigating an alleged sexual assault and theft during a layover, said the Fiji government, but added they had been advised by their headquarters to stay in their hotel.

A man in Fiji has been charged over the alleged rape and sexual assault of a Virgin Australia crew member on New Year's Eve.