Numbers 25:8-10

New Revised Standard Version, Anglicised Catholic Edition

⁸ he went after the Israelite man into the tent, and pierced the two of them, the Israelite and the woman, through the belly. So the plague was stopped among the people of Israel. ⁹ Nevertheless, those that died by the plague were twenty-four thousand.

¹⁰ The Lord spoke to Moses, saying: