More than 500 foreigners have been rounded up in simultaneous raids around the country, most of them for entering Thailand illegally.
Immigration Police Bureau deputy chief Pol Maj-General Itthipol Itthisarnronnachai said on Friday morning that a total of 522 people had been arrested at 220 different locations.
Of these, 287 were charged with having entered Thailand illegally (102 from Laos, 143 from Myanmar, 38 from Cambodia, three from India and one from Bangladesh) and 15 stand accused of overstaying their visas (five from Myanmar, four from Cambodia, three from Laos, one from Vietnam, one from India, and one from Denmark).
A further 220 people are facing a variety of other charges, which Itthipol didn't give details about (87 from Thailand, 31 from Cambodia, 79 from Myanmar, five from Laos, seven from China, three from Vietnam, three from Turkey, one from Israel, one from India, one from the Philippines, one from Iraq and one person with an unidentified nationality).
Itthipol said a high number of the arrests involved foreigners working without permission in Thailand.