Numbers 25:8-10

Amplified Bible

⁸ and he went after the man of Israel into the tent, and pierced both of them through the body, the man of Israel and the woman. Then the plague on the Israelites stopped. ⁹ Nevertheless, those [Israelites] who died in the plague numbered 24,000.

The Zeal of Phinehas

¹⁰ Then the Lord spoke to Moses, saying,