Pekan MP Najib Abdul Razak has hit back at Dr Mahathir Mohamad over privileges accorded to former prime ministers.

While Mahathir claims he has not taken any privileges as a former premier, Najib countered that the Langkawi MP had benefited in other ways.

Taking to Facebook, Najib dredged up a claim that Mahathir had been offered in 2014 a 60-year lease on...