I've stayed at Mae Sariang myself so

"Myanmar’s 341st Battalion troops fired three 60mm shells into Tha Ta Fang village in Mae Sariang district at around noon, according to local reports. Villagers fled from the shelling in terror, while damage from the attack is still being assessed.
Thai forces responded by mobilising heavy weapons – two K120mm mortar guns – to support frontline soldiers at the neighbouring village of Tha Ta Kiang. . . . . . "
https://www.nationthailand.com/in-focus/40001105