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.

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.

By Rishav Chatterjee (Reuters) -Fiji police said on Thursday they were investigating an incident 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.