bangkok thai government say thursday plan take legal action radical buddhist monk detain police post anti-islamic view social media pose threat national security phra maha aphichat punnajanto base temple bangkok police detain tuesday southern thailand region muslim separatist insurgents fight decades spokesman thailand military-led government tell reuters aphichat warn past social media activities could spark religious conflict action demean another religion consider inappropriate lieutenant general sansern kaewkamnerd say government take legal action 31-year-old firebrand rise prominence 2015 urge buddhists across country burn mosque retribution every monk kill insurgency outspoken monk also active campaign make buddhism state religion thailand aphichat voice admiration ashin wirathu monk myanmar well know anti-muslim view see action model safeguard buddhism thailand police tell reuters aphichat detain crime suppression division unit bangkok image appear social media wednesday even show aphichat disrobe temple thai deputy prime minister prawit wongsuwan say thursday aphichat leave religious order voluntarily reuters unable reach aphichat comment buddhist association thailand issue statement protest aphichat detention say disrespectful breach personal right monk temple decline name tell reuters aphichat breach laws govern order could defrock thai government take action monk anti-muslim view