A TWO-STOREY BUILDING at Padeh School in Tak's Mae Sot district damaged by a mudslide collapsed yesterday,but no casualties were reported."I saw it happening. At first,there were heavy downpours and then a landslide struck. After that,cracks were appearing all around.Some concrete chunks jutted out and,finally,the whole building crumbled down,"a local education official said.Only some officials and teachers were present,trying to save study materials from the building,but they all managed to run for safety. After the landslide hit the back of the five-classroom building,the Primary Educational Service Area II Office ordered it closed.The school was instructed to suspend classes for kindergarten and lower primary students. In Ayutthaya,part of the Chao Phraya River's bank and also the balcony of a house gave away in the morning due to soil erosion.All five residents were unhurt.