In the two years since Myanmar's military ousted Aung San Suu Kyi's elected government, air strikes like this have become a new and deadly tactic in a civil war that is now a brutal stalemate across much of the country, conducted by an air force which has in recent years grown to about 70 aircraft, mostly Russian and Chinese-made.
It's hard to estimate how many have died in such air attacks because access to much of Myanmar is now impossible, making the conflict's true toll largely invisible to the outside world. The BBC spoke to eyewitnesses, villagers and families over a series of phone calls to find out how the attack on the school unfolded. บาคาร่า666