Former prime minister Dr Mahathir Mohamad reportedly claimed to have put a stop to an adviser to then finance minister Lim Guan Eng for overreaching his authority on civil servants, according to a report.

It said in Mahathir’s upcoming book, the unnamed senior DAP figure had unauthorised involvement in government business, and this could provide ammunition for Umno supporters to exploit racial issues against DAP.

Among others, the individual was delegated “a lot” by Lim and...