However, due to its close proximity to the border of Malaysia-Thailand, Sintok was exposed to threats from the banned communist group. Hence, the government had to migrate all the original residents to a safer area, and declared the town are as a 'black area'.
Due to its proximity to the border between Malaysia and Thailand, Sintok was vulnerable to threats from the banned communist group. Therefore, the government had to relocate all original residents to a safer location and designated the town as a 'black area'.