ISA FOCUS Although enacted in 1960 to curb the communist insurgency, the Internal Security Act was, even in its early years, used against teenagers as young as 15.
According to former detainee Chong Tong Sin, police had in 1968 gone to Chinese secondary schools in Kluang, Johor, to arrest "30-40" students suspected to be involved in underground pro-communist activities.
http://www.malaysiakini.com/news/193124
