1 Samuel 7:10 in the World English Bible
As Samuel was offering up the burnt offering, the Philistines came near to battle against Israel; but the LORD thundered with a great thunder on that day on the Philistines and confused them; and they were struck down before Israel.
Context
9 And Samuel took a sucking lamb, and offered it for a burnt offering wholly unto the LORD: and Samuel cried unto the LORD for Israel; and the LORD heard him.
10 And as Samuel was offering up the burnt offering, the Philistines drew near to battle against Israel: but the LORD thundered with a great thunder on that day upon the Philistines, and discomfited them; and they were smitten before Israel.
11 And the men of Israel went out of Mizpeh, and pursued the Philistines, and smote them, until they came under Beth-car.