The present crop of Umno leaders are inept and voters should let them "mampus" (be doomed) in the next general election, said Pakatan Harapan chairperson Dr Mahathir Mohamad.

This is because they still blindly believe in Prime Minister Najib Abdul Razak, he said, pointing to a conversation he had with a minister he supposedly did not want to name as an example.

"I met with a minister, I don't want to say his name. I said: 'eh, Shahidan'... Ah, I accidentally said the name... I asked him: 'Shahidan, why do you still follow (Najib) as your leader?’" related Mahathir at a ceramah in Pulai, Johor last night...