Academic Tajuddin Mohd Rasdi has cautioned against using police action against controversial Muslim preacher Zamri Vinoth, arguing that it could turn him into a "martyr" in the eyes of his supporters.

"Using the police is a quick but ineffective solution. In fact, it will create a martyr effect. Even admonishment from the royals could have the same impact," he told Malaysiakini.

Instead, Tajuddin (above) believes the most effective response would be...