As the Thingyan festival celebrations continued in parts of Myanmar, the Karen National Union (KNU) launched a pre-dawn assault on Myanmar military forces on April 15, 2025. The clash took place approximately 40 kilometres from the Thai border in Mae Sot District, Tak province.

All leaders of member countries of the BIMSTEC grouping are still scheduled to join this week's summit in Bangkok, although the attendance of Myanmar's junta leader remains unclear after an earthquake in that country, host Thailand said on Tuesday.