Prime Minister Najib Abdul Razak, in what is possibly one of his lengthiest broadsides against former prime minister Dr Mahathir Mohamad, dedicated almost one-third of his speech, chastising the former leader at a dinner event. 

A total of 13 paragraphs of his 47-paragraph speech was dedicated to criticising Mahathir, whom he refused to call by name but merely addressed as "former leader".

Najib delivered the keynote address, titled "Governance in a Developing Democracy", at a dinner organised by the United Nations Association Malaysia (Unam) in Kuala Lumpur tonight.

The prime minister in his speech lamented what he termed to be the "epidemic of fake news"...