Brown told CNBC that
"We are very careful and we believe the investigation and
"It’s a significant story and we take it very seriously.
Brown said the documents they possessed had been shared with the Attorney-General and had also been seen by the prime minister.
After the report was published, the Prime Minister’s Office in a statement issued on their Facebook account
According to the statement, the latest claim was part of a continuous political sabotage aimed at misleading the media and the public by using amended documents.
READ: 1MDB says it never provided funds to Najib
In response, Brown said: “And they are accusing their political opponents of coming up with this story to get him.
"And that is the same kind of stuff they said from our earlier story on 1MDB, the way the money the fund took in was used in the last election campaign by the prime minister, so the reaction been the same.”
In the interview, Brown admitted not knowing where the money went to.
“The trail that we have
On Friday, WSJ and Sarawak Report had published reports of the 1MDB money transferred to Najib's personal Ambank account.
In response, Najib said he will take action against WSJ.
READ: Najib to take action against WSJ:
Najib's political secretary Datuk Muhammad Khairun Aseh who told Sinar Harian this said the report was criminal defamation.
He told the daily the report was done with bad intention, unsubstantiated and based on dubious sources.
"We will take legal action," he told the daily on Friday.