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Internal Security Department
Feature Articles

Issuance of Orders Under the Internal Security Act (ISA) against two Singaporeans, and updates on previous ISA orders

24 June 2026

In March 2026, two self-radicalised male Singaporeans, 30-year-old Tarmizi bin Mohd Taha (Tarmizi) and 19-year-old Cyrus Dzulqarnain Al-Shahriar (Cyrus), were issued with an Order of Detention (OD) and a Restriction Order (RO) under the Internal Security Act (ISA) respectively. While their cases are not related, both their radicalisation was triggered by the ongoing Israeli-Palestinian conflict.


Photo taken by Cyrus at the Esplanade area and posted online, to pledge allegiance to the online Islamist extremist group
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