Former premier Najib Abdul Razak testified he was not completely certain how 1MDB-linked fugitive Low Taek Jho (Jho Low) got his contact number.

However, the finance minister told the Kuala Lumpur High Court this afternoon that it could be due to the businessperson's brother, Low Taek Szen being acquainted with his stepson, Riza Shahriz Abdul Aziz (Riza Aziz).

"I am not entirely certain...