Describe the scene Elie witnessed between the father and son.

Elie witnesses a man kill his own father over a piece of bread. The old man was able to grab a piece of bread and hide it under his shirt, quickly followed by the old man's son jumping his father to snatch it away. The old man cried as his son beat him, and all the while he try to explain he would share.... that he had enough for them both. The old man collapsed and died.... while his son searched him for another crust of bread.