1 Samuel 4:2

4:2 The Philistines arranged their forces to fight Israel. As the battle spread out, Israel was defeated by the Philistines, who killed about four thousand men in the battle line in the field.

1 Samuel 4:10-11

4:10 So the Philistines fought. Israel was defeated; they all ran home. The slaughter was very great; thirty thousand foot soldiers fell in battle. 4:11 The ark of God was taken, and the two sons of Eli, Hophni and Phineas, were killed.