There is no need for the Malaysian Anti-Corruption Commission (MACC) to question Riza Aziz, the stepson of Prime Minister Najib Abdul Razak, as he is not being probed for graft, said a deputy minister yesterday.

"For the MACC, Riza is not under a corruption probe so there is no need for the MACC to summon him (for questioning)," Deputy Minister in the Prime Minister's Department Razali Ibrahim told Parliament last night.