Revelations by former premier Dr Mahathir Mohamad's nephew over his past role in Ultra Kirana Sdn Bhd (UKSB) have raised more questions on possible impropriety.

In a statement today, Umno supreme council member Razlan Rafii said Rahmat Abu Bakar's admission that he once had a RM1.3 million salary from UKSB aroused suspicion.