Immigration police and troops at the Aranyaprathet border checkpoint in Sa Kaeo province on Friday stepped up their checks of vehicles leaving the country as part of the search for former prime minister Yingluck Shinawatra.
The ex-PM had failed earlier in the day to attend the Supreme Court to hear the judgement in the rice-pledging case against her.
At 10am, Sa Kaeo immigration police chief Pol Colonel Benjapol Rodsawat issued an urgent order for officials manning the checkpoint to strictly check all vehicles leaving the Kingdom.
Following the order, the immigration police and troops opened all vehicles to check the passengers. They especially examined vehicles with Cambodian licence plates.
Benjapol also sought help from Colonel Nirot Thongmuan, commander of the 12th Ranger Taskforce, Maj-General Hathaitep Kirati-angkul, commander of the 19th Army Circle, and Aranyaprathet district chief Soawanit Suriyakul to intensively check vehicles travelling on border roads in the district.