Tycoon Lee Kim Yew has decried what he claimed to be cyber-bullying by former prime minister Najib Abdul Razak after the latter took aim at him on social media over his links to former premier Dr Mahathir Mohamad.

Lee (above) came into Najib's crosshairs after the businessperson criticised the World Chinese Economic Forum (WCEF) for inviting the former prime minister convicted of criminal breach of trust, money laundering and abuse of power, to officiate its event, calling it an embarrassment...