2 Kings 10:24-25

24And they entered in to offer sacrifices and burnt-offerings. Now Jehu appointed eighty men without, and said, He that allows any of the men to escape that I have brought into your hands, his life shall be for the life of him.

25And it came to pass as soon as they had ended offering up the burnt-offering, that Jehu said to the couriers and to the captains, Go in, slay them; let none come forth. And they smote them with the edge of the sword; and the couriers and the captains cast [them] there. And they went to the city of the house of Baal,