KUALA LUMPUR: The Immigration Department detained 33 foreign workers for allegedly committing various immigration offences during a raid on a construction site in Bandar Bukit Mahkota, Kajang yesterday.

Acting on public complaints and intelligence gathered over almost two weeks, a team from the Putrajaya Immigration Department raided the site and found it had been turned into an illegal settlement, also used for storing various construction materials.

In a statement shared on its Facebook page yesterday, the department said the raiding party inspected 150 people, comprising 146 foreigners and four locals, during the 2am raid.

"Following the checks, 33 foreigners, aged between 29 and 42, were detained during the raid.