TOKYO, Japan — Deputy Prime Minister and Foreign Minister Sihasak Phuangketkeow on Saturday expressed concern following the arrest of a Chinese national linked to a cache of military-grade weapons and explosives discovered in Chonburi province. Speaking in Tokyo, Sihasak said authorities needed to closely examine the investigation findings and the suspect’s immigration history, especially because […] The post Thai FM says Thailand may cut visa-free stay from 60 to 30 days after Chinese weapons case appeared first on Khaosod English .