Riza Aziz, the stepson of Prime Minister Najib Abdul Razak, had claimed that US$94 million of 1MDB funds which ended up in accounts he had access to, was a gift from Aabar BVI, said the US Department of Justice (DOJ).

"(Riza) Aziz claimed, including in his 2012 US tax return, that this money was a 'gift' from Aabar-BVI," it said in its suit yesterday.