Dr Mahathir Mohamad fired another acerbic salvo against his current arch nemesis Najib Abdul Razak, whom he claimed has the distinction of upending the Malay race like no other.

“In the past, the Malays looked down upon those who stole. They would be embarrassed if a family member is involved in a crime.

“But now, the Malays don’t feel ashamed. What is there to be...