Two Vietnamese and three Cambodian nationals were arrested on immigration and work permit charges while working as vendors in Pattaya.
Chonburi Immigration Police rounded up the illegal merchants found plying their trade on Second Road across from the Made in Thailand night market.
Xuan Huong Mai, 30, operating a cart on wheels, along with La, a 22-year-old Cambodian selling products on the roadside, were arrested for illegally entering the kingdom and working as peddlers.
Immigration police stop one of the Cambodian vendors on the street, asking for his passport and work permit.
Thi Huong Le, 34 of Vietnam, was busted for selling products while holding only a tourist visa.
Cambodians Toh, 22, and Mai, 24, were arrested for entering Thailand illegally and working without a permit.
All were deported.