Malaysian immigration department arrested 309 undocumented migrants, including 102 Bangladeshis, during an operation carried out at a settlement near a construction site in Dengkil early yesterday.

Among the other arrestees are 193 from Indonesia, eight from Myanmar, four from Vietnam and two from India, according to Malaysia's national news agency Bernama.

The arrestees, aged between 20 and 50, included 280 men and 29 women.

Immigration Director-General Datuk Khairul Dzaimee Daud said they had received information that at the settlement, there were individuals who were believed to have violated the standard operating procedures of the movement control order (MCO).

Accordingly, the department raided the area and found that they did not comply with the MCO.

Speaking to reporters at the scene, Khairul Dzaimee said, "I arrived with the operations team and found that their settlement was dense, dirty and did not have a proper drainage system, apart from having a place to gather and eat in large numbers.

"They also admitted that they lived in a group in one room, which is about four to seven people."

He said this showed that they were free to do anything at the construction site without any compliance with the MCO.

The immigration DG also explained how Indonesian women sneaked into the country.

"Indonesian women enter Malaysia using a social visit pass and continue to reside in the country beyond the stipulated time. In addition, they live with their husbands who work illegally in the country."

Khairul Dzaimee said all these undocumented migrants were supposed to undergo Covid-19 testing yesterday at the Putrajaya and Seremban district health offices.

After the screening test, the migrants would be sent to Semenyih Immigration Depot to be detained and investigated in accordance with laws, before deportation, he added.

During the operation, the Immigration Department also inspected 10 Rohingya refugees who are United Nations High Commissioner for Refugees (UNHCR) cardholders.

Of the 10, only two were arrested for possessing fake UNCHR cards, the immigration DG said.