A man who was previously jailed for providing money to a Syria-based Malaysian ISIS militant was also released from detention on a suspension direction under the Internal Security Act. SINGAPORE: Restriction orders issued under the Internal Security Act (ISA) against two Singaporeans were allowed to lapse this year, the Internal Security Department said on Wednesday (Apr 2). One of them - Dickson Yeo , 44 - had been detained for acting as a paid agent of a foreign state. He was arrested after