Dr Mahathir Mohamad said he is not inclined to dredge up the past but felt compelled to share his views after Prime Minister Anwar Ibrahim described himself as an “honourable prisoner” who landed behind bars because of diabolical political plots against him.

“He did not mention my name. But I am that tyrannical old man who oppressed the people,” said the 99-year-old in a Facebook post.

“I am certain the people remember when I was...