The rescued boys have been taken to a hospital by ambulances for medical treatment.
In a breakthrough, Thailand's prime minister announced on Tuesday that a second foreign national believed to be the main suspect in the country's worst bombing at a Brahma temple here that claimed 20 lives has been arrested near the Cambodian border.
Thousands of flag-waving Thai protesters stormed more government buildings as they intensified their mass political rally against embattled Prime Minister Yingluck Shinawatra for a fourth day on Wednesday, plunging the polarised nation deeper into crisis.