The Malaysian immigration department has arrested 131 undocumented migrants, including 48 Bangladeshis, during a crackdown in Pahang province. The detainees were found to be without valid visas, overstaying their permits, or violating immigration conditions. Among them, 55 were Indonesians, 48 Bangladeshis, 16 Myanmar nationals, one Egyptian, two Pakistanis, one Chinese, and eight Thai nationals.