Johor Baru, Nov. 16 -- At least 123 undocumented Asian workers including several Bangladeshis were detained in a raid by Malaysian immigration officers at a plastic factory in Johor under Ops Mahir following weeks of surveillance.

During the Nov 14 raid, many workers tried to flee and hide inside storage areas, but enforcement teams from the Johor Immigration Department and the Malaysian Border Control and Protection Agency sealed all exits before rounding them up.

The detainees - men and women aged between 20 and 48 - were from Bangladesh, Nepal, Myanmar, India and Pakistan, officials said.

All were found working without valid permits and have been sent to the Setia Tropika Immigration Depot for further investigation, reports the Stra...