Burmese authorities are scrambling to locate three Thai women allegedly involved in the murder of a 22-year-old karaoke bar worker.
The man was arrested after he was found to be in possession of 84.7 million kyat worth of jewellery allegedly stolen from a gold shop in Tachilek.
The Restoration Council of Shan State warned political parties in Shan State to halt election campaigns in the region due to ongoing armed clashes.
Thai news reports say that the Burmese migrant workers were held after a series of raids in the Thai border town of Mae Sai.
Burmese military officials have called on their Thai counterparts to help capture Kokang rebel leader Peng Jiasheng who they claim is hiding in Thailand.
While the opening of the first Myanmar-Laos Friendship Bridge brings economic benefits, it has also raised concerns over drug trafficking.