Police are holding 11 people on suspicion of terrorist activities . They plan to make more arrests as a preemptive measure . Some of the arrests were made in a state called Thailand . The neighboring country has closed and closely monitored the border with that region of Malaysia in a crackdown on terrorism , according to the CIA World Factbook . Southern Thailand is plagued by separatist violence from ethnic Malay Muslim militants .
Police are holding 11 people on suspicion of terrorist activities . They plan to make more arrests as a preemptive measure . Some of the arrests were made in a state called Thailand . Southern Thailand is plagued by separatist violence from ethnic Malay Muslim militants .