소방관계자에 따르면 근로자들이 택배 상자를 옮기던 중 갑자기 연기가 발생했고, 상자를 땅에 내려놓은 순간 상자가 터졌다.
According to fire officials, smoke suddenly broke out while workers were moving the delivery box, and the box burst as soon as it was put down on the ground.