KUALA LUMPUR• Fresh allegations emerged yesterday about multimillion-ringgit deposits in a bank purportedly in favour of Prime Minister Najib Razak's wife Rosmah Mansor, even as the Malaysian leader dismissed the "nonsense on social media".

He vowed to ensure that the truth emerges at the end.

The Sarawak Report news site, claiming documents from an investigation into the financial affairs of state investor 1Malaysia Development Berhad (1MDB), alleged that a man had made cash deposits into the account of Datin Seri Rosmah at a Malaysian bank totalling RM2 million (S$713,000) between February and April this year.

The site, set up by British journalist Clare Rewcastle-Brown in 2010, last Friday reported, like the Wall Street Journal, similar allegations of US$700 million (S$940 million) deposits in the bank accounts of Datuk Seri Najib in AmBank, the country's fifth biggest bank.

In its latest allegation, Sarawak Report showed pictures of what it said were copies of the transactions. They showed eight alleged deposits being made into the account of Madam Rosmah in Affin Bank, Malaysia's ninth largest lender.

Prime Minister Najib yesterday said he will ensure that the truth about himself and 1MDB will emerge, The Malaysian Insider website quoted him as saying.

"Don't listen to nonsense. There is too much nonsense on social media," Mr Najib said in a speech after a breaking-of-fast function in Kuala Lumpur.

"Don't listen to it all. Not all of it is true. We will ensure that the truth will emerge in the end."

He said: "If (they) say billions of ringgit from 1MDB have disappeared, listen to the Auditor-General's report and find out if it is true or not."

He also said that he would not take what rightfully belonged to the people.

Meanwhile, a WhatsApp message claiming that former Malaysian cop Sirul Azhar Umar will testify that he was ordered by Madam Rosmah to kill a Mongolian translator is a hoax, said his lawyer.

The message claimed that according to Australia's Herald Sun newspaper, Sirul will reveal in an Australian court next week that Madam Rosmah had ordered him to kill Ms Altantuya Shaariibuu for blackmailing Mr Najib.

Said Sirul's lawyer Hasnal Rezua Merican: "I have checked with Sirul and he has absolutely no knowledge of saying any such thing or speaking with any journalist from the Herald Sun", The Star newspaper said yesterday.